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Voices for a mighty argument. A long line of big guns being rushed toward completion under the war production program. Guns shown here are being turned out in the major caliber shop of a large eastern arsenal

Voices for a mighty argument. A long line of big guns being rushed tow...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Steam bath for cartridges. Washing 50 caliber cartridge cases between operations at a large eastern arsenal. This plant is working on full shift for war needs

Steam bath for cartridges. Washing 50 caliber cartridge cases between ...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Production. A-20 attack bombers. Tail view of a new A-20 attack bomber on Long Beach, California flight ramp of Douglas Aircraft Company. Mechanics complete final checks before test flight and delivery to the Army. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Tail view of a new A-20 attack bomber...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

7" 45 caliber naval gun, 4/1/20

7" 45 caliber naval gun, 4/1/20

Public domain historical photo, free to use, no copyright restrictions image - Picryl description

Production. A-20 attack bombers. Myriads of lights at the Long Beach, California, plant of Douglas Aircraft Company form pleasing star patterns in the shatterproof plexiglass windows of noses for A-20 attack bombers. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Myriads of lights at the Long Beach, ...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Production. A-20 attack bombers. Wings for deadly A-20 attack bombers form interesting patterns at the Long Beach, California plant of the Douglas Aircraft Company. The A-20 is used by the American Air Force and the RAF (Royal Air Force) for hedge hopping and for reconnaissance work and night fighting. It is armed with light and heavy caliber guns in varying combinations

Production. A-20 attack bombers. Wings for deadly A-20 attack bombers ...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Armorer placing fifty caliber machine gun in pursuit plane at Lake Muroc, California

Armorer placing fifty caliber machine gun in pursuit plane at Lake Mur...

Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.

Planes in flight. The P-40 single-engine fighter plane--which the British have used in its various models as the "Tomahawk," "Kittyhawk" and "Warhawk"--is a fast pursuit ship in the 400-mile-per-hour class. It has an approximate service ceiling of 30,000 feet and a range of about 900 miles. Carrying various combinations of light and heavy caliber guns, it has performed notably with the RAF (Royal Air Force) in England and Africa, with the AVG (American Volunteer Group--Flying Tigers) in China and. with the AAF (Army Air Forces) in the South Pacific

Planes in flight. The P-40 single-engine fighter plane--which the Brit...

Picryl description: Public domain historical photo of Second World War, free to use, no copyright restrictions image.

Fort Knox. Machine guns. The .30 caliber machine gun is one of the standard tools of our Army today. It is used on a variety of mounts to serve a number of military purposes

Fort Knox. Machine guns. The .30 caliber machine gun is one of the sta...

Public domain photograph of the 1930s-1940s World War Two, armed forces, military production, no copyright restrictions image - Picryl description

Ready for battle. Finished guns of large caliber awaiting shipment in an eastern Navy yard. This is just one of the eleven Navy arsenals which are producing guns for the two-ocean fleet

Ready for battle. Finished guns of large caliber awaiting shipment in ...

Public domain photograph of Washington DC, 1930s, free to use, no copyright restrictions image - Picryl description

Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, familiarly known as the Tommy gun, is a hand weapon for which every branch of the service finds many uses. Its portability and effectiveness makes it a favorite of our modern Army

Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, fam...

Picryl description: Public domain image of a military person with a firearm, machine gun, free to use, no copyright restrictions.

14" 50 caliber naval gun, 4/1/20

14" 50 caliber naval gun, 4/1/20

Picryl description: Public domain image of an artillery gun, cannon, weapon, free to use, no copyright restrictions.

Nursery school children in a creche of the caliber factory at a summer place in the USSR (Union of Soviet Socialist Republics)

Nursery school children in a creche of the caliber factory at a summer...

Picryl description: Public domain image of a school, preschool, children, education, free to use, no copyright restrictions.

The M-7 is the Army's newest tank destroyer and is being given the acid test for desert warfare in the maneuvers near Iron Mountains, California. Colonel R. Downing of DeKalb, Missouri, Corporal L. Roberts from Graham, Texas, and Lieutenant M. Hutchison, Enterprise, Alabama. For firing power, the M-7 has a 105 mm Howitzer and a 50 caliber automatic gun. Iron Mountains, California.

The M-7 is the Army's newest tank destroyer and is being given the aci...

Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.

Smoothing a gun cylinder. A skilled worker in an eastern Navy yard arsenal guiding the machine which is turning a major caliber gun. He is one of thousands who are producing ammunition for the expanded Navy war program

Smoothing a gun cylinder. A skilled worker in an eastern Navy yard ars...

Picryl description: Public domain historical photo of Washington DC during the First World War, free to use, no copyright restrictions image.

Production. A-20 attack bombers. Women workers at the Long Beach, California plant of Douglas Aviation Company groom lines of transparent noses for deadly A-20 attack bombers. The A-20 is used by the American Air Force and RAF (Royal Air Force) for hedge hopping and strafing operations against ground troops and installations; also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns in varying combinations

Production. A-20 attack bombers. Women workers at the Long Beach, Cali...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, familiarly known as the Tommy gun, is a hand weapon for which every branch of the service finds many uses. Its portability and effectiveness makes it a favorite of our modern Army

Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, fam...

Picryl description: Public domain image of a military person with a firearm, machine gun, free to use, no copyright restrictions.

Production. A-20 attack bombers. A fast, hard-hitting new A-20 attack bomber is brought from a test hop to the flight line at the Long Beach, California, plant of Douglas Aircraft Company. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. A fast, hard-hitting new A-20 attack ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Fort Riley, Kansas. A jeep of a mechanized cavalry reconnaissance unit carrying a thirty caliber machine gun during a field problem

Fort Riley, Kansas. A jeep of a mechanized cavalry reconnaissance unit...

Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.

Discarded stockings go to war. How powder bags are used. Placed into the breach of a major caliber gun, the bags, filled with powder, propel the projectile. Silk bags are used to insure complete absence of residue after explosion

Discarded stockings go to war. How powder bags are used. Placed into t...

Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description

Production. A-20 attack bombers. Myriads of lights at the Long Beach, California, plant of Douglas Aircraft Company form pleasing star patterns in the shatterproof plexiglass windows of noses for A-20 attack bombers. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Myriads of lights at the Long Beach, ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. A-20 attack bombers. Experienced assembly line workers of both sexes contribute to the production of A-20 attack bombers in the Douglas Aircraft plant at Long Beach, California. The A-20 is used by the American Air Force and the Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Experienced assembly line workers of ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Fort Benning. Machine gunners, armored forces. Our armored forces hit hard and fast. This corporal at the breech end of .30 caliber Browning works from one of the Army's new halftrac scout cars

Fort Benning. Machine gunners, armored forces. Our armored forces hit ...

Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.

For the ramparts. A series of medium caliber guns nears completion in an eastern arsenal. Men shown are engaged in the exterior inspection of liners on guns for the war production program

For the ramparts. A series of medium caliber guns nears completion in ...

Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description

Fort Riley, Kansas. Cavalrymen manning a 50 caliber machine gun

Fort Riley, Kansas. Cavalrymen manning a 50 caliber machine gun

Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.

Ready for trouble from the conning tower of the United States submarine. A crew swings a fifty caliber machine gun skyward to safeguard the underseas craft against a possible surprise air attack. Submarine rarely comes to surface during daylight hours. The man in the left background is scanning the horizon through binoculars

Ready for trouble from the conning tower of the United States submarin...

Picryl description: Public domain image of a navy artillery gun, cannon, ship weapon, free to use, no copyright restrictions.

Production. B-17F heavy bombers. The belly turret of the B-17F heavy bomber has stopped many Axis pilots. A gunner on this rotating cage controls the fire of two heavy caliber machine guns. This new ship is ready for delivery from the Long Beach, California, plant of Douglas Aircraft Company. Better known as the "Flying Fortress," the B-17F is a later model B-17, which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude, heavy bomber with a crew of seven to nine men and with armament sufficient to defend itself on daylight missions

Production. B-17F heavy bombers. The belly turret of the B-17F heavy b...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Fort Benning. Machine gunners, armored forces. Our armored forces have tremendous fire power. These machine gunners on a halftrac scout car make the .30 caliber Browning one of the most destructive of modern weapons

Fort Benning. Machine gunners, armored forces. Our armored forces have...

Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.

Fort Riley, Kansas. Setting up a thirty caliber water-cooled machine gun during a field problem of the cavalry

Fort Riley, Kansas. Setting up a thirty caliber water-cooled machine g...

Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.

Taking care of the kick-back. Recoil rails are assembled for a medium caliber gun rushed for the war production program in an eastern arsenal

Taking care of the kick-back. Recoil rails are assembled for a medium ...

Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.

Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, familiarly known as the Tommy gun, is a hand weapon for which every branch of the service finds many uses. Its portability and effectiveness makes it a favorite of our modern Army

Fort Knox. Machine guns. The .45 caliber Thompson sub-machine gun, fam...

Picryl description: Public domain image of a military person with a firearm, machine gun, free to use, no copyright restrictions.

A black and white photo of a man holding a television. Office of War Information Photograph

A black and white photo of a man holding a television. Office of War I...

Public domain photograph - United States during the 1930s and 1940s, Farm Security Administration, New Deal, free to use, no copyright restrictions image - Picryl description

Guns for the Navy. Finished guns of large caliber awaiting shipment in an eastern Navy yard, one of eleven arsenals which are producing guns for the new two-ocean fleet

Guns for the Navy. Finished guns of large caliber awaiting shipment in...

Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description

Rolling em' out. Tubes and liners for medium caliber guns are prepared for finishing operations in an eastern arsenal. The cannons are being rushed for the war program. "All out for defense"

Rolling em' out. Tubes and liners for medium caliber guns are prepared...

Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description

Production. A-20 attack bombers. Interesting patterns are formed by the wings of A-20 attack bombers, waiting their turn on the assembly lines of the Long Beach, California, plant of Douglas Aircraft Company. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Interesting patterns are formed by th...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Bathtub full of cartridges. Girls at a large eastern arsenal inspecting 30 caliber ball catridges for the Army

Bathtub full of cartridges. Girls at a large eastern arsenal inspectin...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Armorer placing fifty caliber machine gun bullets in magazine. Lake Muroc, California

Armorer placing fifty caliber machine gun bullets in magazine. Lake Mu...

Picryl description: Public domain photograph of workers, war production, aircraft, airfield, the 1930s -1940s, free to use, no copyright restrictions.

Lake Muroc, California. Armorer placing fifty caliber machine gun bullets in a magazine

Lake Muroc, California. Armorer placing fifty caliber machine gun bull...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Son of agricultural day laborer with his twenty-two caliber rifle and home-cured tobacco. McIntosh County, Oklahoma

Son of agricultural day laborer with his twenty-two caliber rifle and ...

Picryl description: Public domain image of a farmer, 1930s, 20th-century dust bowl era, free to use, no copyright restrictions.

Fort Benning. Machine gunners, armored forces. Plenty of trouble for the Axis in this combination. Machine gunner of a halftrac scout car and a .30 caliber Browning

Fort Benning. Machine gunners, armored forces. Plenty of trouble for t...

Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.

Production. A-20 attack bombers. Another Douglas A-20 attack bomber leaves the assembly line at the Long Beach, California, plant for transfer to the flight line and test flight before delivery to the Army. The A-20 is used by the American Air Force and the Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Another Douglas A-20 attack bomber le...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. A-20 attack bombers. Myriads of lights at the Long Beach, California, plant of Douglas Aircraft Company form pleasing star patterns in the shatterproof plexiglass windows of noses for A-20 attack bombers. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Myriads of lights at the Long Beach, ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. A-20 attack bombers. Fuselages of A-20 attack bombers await entry to the assembly lines at the Long Beach, California plant of Douglas Avaiation Company, where they will receive tails, wings and power plants. The A-20 is used by the American Air Force and Royal Air Force for hedge hopping and strafing operations against ground troops and installation; also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns in varying combinations

Production. A-20 attack bombers. Fuselages of A-20 attack bombers awai...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. A-20 attack bombers. Mechanics on the flight ramp on the Douglas Aircraft Company at Long Beach, California, check final adjustments on an A-20 attack bomber just before delivery to the Army. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Mechanics on the flight ramp on the D...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. A-20 attack bombers. Myriads of lights at the Long Beach, California, plant of Douglas Aircraft Company form pleasing star patterns in the shatterproof plexiglass windows of noses for A-20 attack bombers. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Myriads of lights at the Long Beach, ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. A-20 attack bombers. Mechanics work in a "goldfish bowl", or bombardiers's compartment, of an A-20 attack bomber on the flight ramp of the Long Beach, California, plant of Douglas Aircraft Company. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Mechanics work in a "goldfish bowl", ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Guns in a gunyard. Finished guns of large caliber awaiting shipment in an eastern Navy yard, one of eleven arsenals which are producing guns for the new two-ocean fleet

Guns in a gunyard. Finished guns of large caliber awaiting shipment in...

Picryl description: Public domain image of an artillery gun, cannon, weapon, free to use, no copyright restrictions.

Planes in flight. The P-40 single-engine fighter plane--which the British have used in its various models as the "Tomahawk," "Kittyhawk" and "Warhawk"--is a fast pursuit ship in the 400-mile-per-hour class. It has an approximate service ceiling of 30,000 feet and a range of about 900 miles. Carrying various combinations of light and heavy caliber guns, it has performed notably with the RAF (Royal Air Force) in England and Africa, with the AVG (American Volunteer Group--Flying Tigers) in China and. with the AAF (Army Air Forces) in the South Pacific

Planes in flight. The P-40 single-engine fighter plane--which the Brit...

Picryl description: Public domain historical photo of Second World War, free to use, no copyright restrictions image.

Production. A-20 attack bombers. Another Douglas A-20 attack bomber leaves the assembly line at the Long Beach, California, plant for transfer to the flight line and test flight before delivery to the Army. The A-20 is used by the American Air Force and the Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Another Douglas A-20 attack bomber le...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Answering the call. Dozens of partially-machined tubes for medium caliber guns await finishing processes in an eastern arsenal. Every day finds Uncle Sam's defensive armament stronger

Answering the call. Dozens of partially-machined tubes for medium cali...

Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description

Production. A-20 attack bombers. Mechanics fuel a new A-20 attack bomber for its trial flight from the Long Beach, California, plant of Douglas Aircraft Company. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Mechanics fuel a new A-20 attack bomb...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. A-20 attack bombers. Interesting patterns are formed by the wings of A-20 attack bombers, waiting their turn on the assembly lines of the Long Beach, California, plant of Douglas Aircraft Company. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Interesting patterns are formed by th...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Fort Knox. Colt automatic pistol. A soldier in training at Fort Knox, Kentucky, demonstrates the use of one of America's renowned weapons, a Colt pistol. Much changed in appearance from the gun that was famous on our frontiers nearly a century ago, this .45 caliber automatic is one of the standard weapons of our modern Army

Fort Knox. Colt automatic pistol. A soldier in training at Fort Knox, ...

Picryl description: Public domain image of a soldier, armed forces, infantry, free to use, no copyright restrictions.

Production. A-20 attack bombers. Experienced assembly line workers of both sexes contribute to the production of A-20 attack bombers in the Douglas Aircraft plant at Long Beach, California. The A-20 is used by the American Air Force and the Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Experienced assembly line workers of ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Lake Muroc, California. An armorer placing fifty caliber machine gun bullets in a magazine

Lake Muroc, California. An armorer placing fifty caliber machine gun b...

Picryl description: Public domain photograph of workers, war production, aircraft, airfield, the 1930s -1940s, free to use, no copyright restrictions.

Production. A-20 attack bombers. Myriads of lights at the Long Beach, California, plant of Douglas Aircraft Company form pleasing star patterns in the shatterproof plexiglass windows of noses for A-20 attack bombers. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Myriads of lights at the Long Beach, ...

Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description

Back from a bombing attack on the Japs, these Flying Fortress gunners carefully clean their .50 caliber machine guns at a U.S. Army Air Force airbase in the New Hebrides. Left to right: Sergeant Edward T. Spetch of Seymour, Connecticut, and Sergeant Vernon Nelson of Fergus Falls, Minnesota

Back from a bombing attack on the Japs, these Flying Fortress gunners ...

Public domain photograph - historical image of Connecticut, United States, free to use, no copyright restrictions image - Picryl description

War program keeps its eye on the ballistics. These 50 caliber machine guns are being inspected in the ballistics laboratory at an eastern armory

War program keeps its eye on the ballistics. These 50 caliber machine ...

Picryl description: Public domain image of a factory, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.

New gun coming up for the Navy. Major caliber guns in manufacture at an eastern Navy yard. This is one of the eleven arsenals working in various parts of the country for the expanded Navy war program

New gun coming up for the Navy. Major caliber guns in manufacture at a...

Picryl description: Public domain historical photo of Washington DC during the First World War, free to use, no copyright restrictions image.

Production. A-20 attack bombers. Long lines of A-20 attack bombers roll ceaslessly, night and day, through the Douglas Aircraft plant at Long Beach, California. The A-20 is used by the American Air Force and the Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed for its several duties with light and heavy caliber guns in varying combinations

Production. A-20 attack bombers. Long lines of A-20 attack bombers rol...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Conversion. Merry-go-round plant. Crated for shipment these shell ejectors for six-inch forty-seven caliber naval guns are a far cry from the peacetime production of the merry-go-round plant in which they were made. These plants have temporarily shelved its production of amusements devices to do its part in the war effort, protecting the right of Americans to enjoy the thrill rides it formerly made. Spillman Engineering Company, North Tonawanda, New York

Conversion. Merry-go-round plant. Crated for shipment these shell ejec...

Picryl description: Public domain photograph of an amusement park, free to use, no copyright restrictions.

Fort Knox. Colt automatic pistol. A soldier in training at Fort Knox, Kentucky, demonstrates the use of one of America's renowned weapons, a Colt pistol. Much changed in appearance from the gun that was famous on our frontiers nearly a century ago, this .45 caliber automatic is one of the standard weapons of our modern Army

Fort Knox. Colt automatic pistol. A soldier in training at Fort Knox, ...

Picryl description: Public domain image of a soldier, armed forces, infantry, free to use, no copyright restrictions.

Turning one of the big guns. A skilled worker in an eastern Navy yard arsenal guiding the machine which is turning a major caliber gun. He is one of thousands who are producing ammunition for the expanded Navy war program

Turning one of the big guns. A skilled worker in an eastern Navy yard ...

Picryl description: Public domain historical photo of Washington DC during the First World War, free to use, no copyright restrictions image.

Production. A-20 attack bombers. Long lines of A-20 attack bombers roll ceaslessly, night and day, through the Douglas Aircraft plant at Long Beach, California. The A-20 is used by the American Air Force and the Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed for its several duties with light and heavy caliber guns in varying combinations

Production. A-20 attack bombers. Long lines of A-20 attack bombers rol...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

New River, North Carolina. Marine infantry. "We have fought in every land and clime where we could bring a gun." The major infantry weapons these charging Marines carry at New River, North Carolina maneuvers are: left, Browning automatic rifle; center, Reising submachine gun; right, .30 caliber rifle. Marine barracks, New River, North Carolina

New River, North Carolina. Marine infantry. "We have fought in every l...

Picryl description: Public domain image of an 18th-19th century military conflict, armed forces, infantry, militia, free to use, no copyright restrictions.

14" 50 caliber naval gun, 4/1/20

14" 50 caliber naval gun, 4/1/20

Picryl description: Public domain image of an artillery gun, cannon, weapon, free to use, no copyright restrictions.

The M-7 is the Army's newest tank destroyer and is really a "killer." Being tested for desert warfare at Iron Mountains, California. It carries both a 105mm Howitzer and a 50 caliber gun. Lieutenant M. Hutchison of Enterprise, Alabama is at the extreme right. Corporal L. Roberts from Graham, Texas is at post behind the Howitzer. Corporal Downing, whose home is Dekalb, Missouri, is in the turret

The M-7 is the Army's newest tank destroyer and is really a "killer." ...

Picryl description: Public domain image of an artillery gun, cannon, weapon, free to use, no copyright restrictions.

Row on row. Row on row of .50 caliber machine guns, turned out for the war program

Row on row. Row on row of .50 caliber machine guns, turned out for the...

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

Production. A-20 attack bombers. A line of Douglas A-20 attack bombers, just off the assembly line at the Long Beach, California, plant is ready for test flights and delivery to the Army. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. A line of Douglas A-20 attack bombers...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Fort Knox. Machine guns. The .30 caliber machine gun is a powerful weapon of great range and effectiveness. It is used in various forms on planes, tanks, ships and other types of mechanized equipment

Fort Knox. Machine guns. The .30 caliber machine gun is a powerful wea...

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

Boeing Flying Fortresses. Guns bristling from turrets, these huge Boeing B-17Es are seen cruising high above the clouds. Described by the War Department as "bigger and more deadly" than any previous Flying Fortress, this plane marks the seventh Boeing B-17 type built for the Army since 1935. Armament includes heavy caliber power turrets on top and bottom of the all-metal fuselage, a deadly tail "stinger" turret, and side-mounted guns. These airplanes have been active in the Far East since Pearl Harbor, and are now serving the cause of the United Nations in every part of the world

Boeing Flying Fortresses. Guns bristling from turrets, these huge Boei...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Production. B-25 bombers. A line of B-25 "Billy Mitchell" medium bombers, just off the production line of a Western plant, await tests before acceptance by the Army. The battle-tested B-25, mounting heavy caliber machine guns, can serve as an escort as well as a bomber. Its speed, long range and good load-carrying characteristics make it a versatile and effective military plane

Production. B-25 bombers. A line of B-25 "Billy Mitchell" medium bombe...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.

Fort Benning. Machine gunner, armored forces. Our armored forces have tremendous fire power. These gunners on a halftrac scout car make the .30 caliber Browning one of the most destructive of modern weapons

Fort Benning. Machine gunner, armored forces. Our armored forces have ...

Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.

Business district. Bench workers finishing a breech housing for a medium caliber gun in a large eastern arsenal. This is a section of the business part of one of the guns being turned out for the war production program

Business district. Bench workers finishing a breech housing for a medi...

Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description

Mother of the assembly line. Clip spring and body assembly for 30 caliber catridges at a large eastern arsenal. Frankford Arsenal, Philadelphia, Pennsylvania

Mother of the assembly line. Clip spring and body assembly for 30 cali...

Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description

Flags flies over PT boat. In sea warfare since Pearl Harbor, the Navy tinset PT boats have frequently proved to be a deadly match for warships, submarines and merchant men. Their hulls are thin and their sides are small but their offensive and defensive armament is varied and effective. It consists of fifty caliber anti-aircraft machine guns, torpedoes and depth charges. These training pictures were taken at the United States Navy Motor torpedoed boat training center, Melville, Rhode Island. In their training, the tiny PT boat is learning to be constantly on the alert. In the background a crew member sighted the 50-caliber anti-aircraft machine gun while the officer in the foreground scans the sky for planes

Flags flies over PT boat. In sea warfare since Pearl Harbor, the Navy ...

Picryl description: Public domain image of a boat in a harbor, water, fishing boat, free to use, no copyright restrictions.

Rounding out the job. Worker in an eastern arsenal machines the breech end of a major caliber gun nearing completion in the nation's huge war production program

Rounding out the job. Worker in an eastern arsenal machines the breech...

Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description

Check and triple check. Final inspection of breach rings for medium caliber guns in an eastern arsenal. Greatest accuracy marks production in the war program

Check and triple check. Final inspection of breach rings for medium ca...

Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description

Production. 45-caliber pistols. Norman Rand forges frames for .45- caliber automatic pistols in the plant of a large manufacturer of firearms. Many men and women are employed here in turning out pistols, machine guns and other essential weapons for the armed forces

Production. 45-caliber pistols. Norman Rand forges frames for .45- cal...

Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.

Production. A-20 attack bombers. Myriads of lights at the Long Beach, California, plant of Douglas Aircraft Company form pleasing star patterns in the shatterproof plexiglass windows of noses for A-20 attack bombers. The A-20 is used by the American Air Force and Royal Air Force (RAF) for hedge hopping and strafing operations against ground troops and installations--also for reconnaissance work and night fighting. It is armed with light and heavy caliber guns

Production. A-20 attack bombers. Myriads of lights at the Long Beach, ...

Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.