U.S. Coast Guard Cutter MESQUITE, Charlevoix, Charlevoix County, MI
Significance: This vessel was built to serve as a 180' U.S. Coast Guard cutter. The federal government purchased or built thirty-nine of these vessels, built in three sub-classes, from 1942-1944. The U.S. Coa... More
U.S. Coast Guard Cutter WOODBINE, Grand Haven, Ottawa County, MI
Significance: This vessel was built to serve as a 180' U.S. Coast Guard cutter. The federal government purchased or built thirty-nine of these vessels, built in three sub-classes, from 1942-1944. The U.S. Coa... More
Douglas Aircraft Company Long Beach Plant, Administration Building, 38...
Significance: Building No. 17 is one of 18 contributing buildings and two features to the Douglas Aircraft Company Long Beach Plant historic district. Activities associated with the district significantly cont... More
U.S. Coast Guard Cutter EVERGREEN, New London, New London County, CT
Significance: This vessel was built to serve as a 180' U.S. Coast Guard cutter. The federal government purchased or built thirty-nine of these vessels, built in three sub-classes, from 1942 to 1944. The U.S. ... More
Rocky Mountain Laboratories, Building No. 9, 908 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... More
Rocky Mountain Laboratories, Building No. 7, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... More
Rocky Mountain Laboratories, Building No. 6, 903 South Fourth Street b...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... More
Rocky Mountain Laboratories, Building No. 4, 903 South Fourth Street, ...
Significance: The Rocky Mountain Laboratories possess national significance due to the pioneering research conducted at these laboratories from 1921-1945 toward the development of vaccines for insect-borne dise... More
The Boeing Company, 7755 East Marginal Way South, Seattle, King County...
Significance: Boeing Plant 2 assembly buildings 2-40 and 2-41, and the two associated warehouses, 2-31 and 2-44, are significant for their direct association with the World War II defense industry, specifically... More
Rock Island Arsenal, Building No. 102, Rodman Avenue between Gillespie...
Significance: After taking command of Rock Island Arsenal in 1865, General Thomas Jefferson Rodman devised a master plan for the installation calling for the construction of ten large, Greek Revival, manufactur... More
Rock Island Arsenal, Building No. 102, Rodman Avenue between Gillespie...
Significance: After taking command of Rock Island Arsenal in 1865, General Thomas Jefferson Rodman devised a master plan for the installation calling for the construction of ten large, Greek Revival, manufactur... More
Oakland Army Base, Warehouse Type, Tobruk Street, between Warehouse Ro...
Significance: Buildings 802-808 played a vital role in the Installation's mission to resupply U.S. forces in the Pacific during both World War II and the Korean engagement. Materiel was shipped by rail and tru... More
Oakland Army Base, Warehouse Type, Tobruk Street, between Warehouse Ro...
Significance: Buildings 802-808 played a vital role in the Installation's mission to resupply U.S. forces in the Pacific during both World War II and the Korean engagement. Materiel was shipped by rail and tru... More
San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...
Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More
San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...
Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More
San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...
Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More
San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...
Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More
Fort David A. Russell, Red Cross Building, Third Street between Randal...
Significance: The Red Cross Building was constructed in 1941-1942 to house the F.E. Warren Branch of the American Red Cross. Formed in 1941 with the outbreak of World War II, this auxiliary of the Red Cross's ... More
U.S. Naval Base, Pearl Harbor, Naval Housing Area Hale Alii, Officers'...
Significance: Facilities 1001, 1002, 1004, 1036, 1037, 1038, and 1039 are excellent examples of early twentieth-century Craftsman-style architecture. The structures are distinctive for their use of materials s... More
Ellsworth Air Force Base, Warehouse, 789 Twining Street, Blackhawk, Me...
Significance: The Warehouse (Building No. 1413) was part of the initial construction contract for the base in 1942. The prime building contractor was the United Construction Company of Rapid City, South Dakota,... More
U.S. Naval Base, Pearl Harbor, Naval Ammunition Depot West Loch, Oahu,...
The name was changed from U.S. Naval Base, Pearl Harbor, Medical Clinic to U.S. Naval Base, Pearl Harbor, Naval Ammunition Depot West Loch, Oahu, Dispensary to more accurately reflect its historic name. Signifi... More
U.S. Naval Base, Pearl Harbor, Pier & Quay Walls, Entrance to Dry Dock...
Significance: They are located within the Pearl Harbor National Historic Landmark. They are integral parts of Dry Dock Nos. 2 & 3. The docks and their walls were built at the time of intense military build-up d... More
Fort Funston, Panama Mounts for 155mm Guns, Skyline Boulevard & Great ...
Significance: The Panama mounts of Battery Bluff are significant as they are a contributing feature to the Fort Funston Historic District which is considered eligible for listing in the National Register of His... More
Naval Supply Annex Stockton, Cafeteria, Fyffe Avenue between James & B...
Significance: Building 217A is a contributing element of the Naval Supply Annex Stockton Historic District. The historic district was determined eligible for listing in the National Register of Historic Places... More
Hughes Aircraft Company, Assembly & Manufacturing Building, 6775 Centi...
Significance: Containing more than 400,000 square feet, Building 6 is the largest building within the Hughes complex. Located immediately south of Building 5, to which it is connected via a tunnel, Building 6 ... More
Hughes Aircraft Company, Assembly & Manufacturing Building, 6775 Centi...
Significance: Containing more than 400,000 square feet, Building 6 is the largest building within the Hughes complex. Located immediately south of Building 5, to which it is connected via a tunnel, Building 6 ... More
Hughes Aircraft Company, Assembly & Manufacturing Building, 6775 Centi...
Significance: Containing more than 400,000 square feet, Building 6 is the largest building within the Hughes complex. Located immediately south of Building 5, to which it is connected via a tunnel, Building 6 ... More
Hughes Aircraft Company, Assembly & Manufacturing Building, 6775 Centi...
Significance: Containing more than 400,000 square feet, Building 6 is the largest building within the Hughes complex. Located immediately south of Building 5, to which it is connected via a tunnel, Building 6 ... More
Oakland Army Base, Post Headquarters Building, Alaska & Africa Streets...
Significance: Building 1 has served as the central administration building and headquarters for the Installation since 1942. Survey number: HAER CA-125-B Building/structure dates: 1942 Initial Construction
Oakland Army Base, Post Headquarters Building, Alaska & Africa Streets...
Significance: Building 1 has served as the central administration building and headquarters for the Installation since 1942. Survey number: HAER CA-125-B Building/structure dates: 1942 Initial Construction
Oakland Army Base, Post Headquarters Building, Alaska & Africa Streets...
Significance: Building 1 has served as the central administration building and headquarters for the Installation since 1942. Survey number: HAER CA-125-B Building/structure dates: 1942 Initial Construction
Naval Training Station, Senior Officers' Quarters District, Naval Stat...
Significance: The Senior Officer's Quarters Historic District is significant at the local level for its association with the early development of military facilities on the West Coast. The period of significanc... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Fitzsimons General Hospital, Main Hospital Building, Charlie Kelly Bou...
Unprocessed Field note material exists for this structure: N396 Survey number: HABS CO-172-DM Building/structure dates: 1941 Initial Construction
U.S. Naval Base, Pearl Harbor, United States All-Steel Hangar, Wasp Bo...
Significance: Facility No. 174 was part of the early expansion of the Army Air Field on Ford Island. It is one of the oldest hangars in Pearl Harbor and is associated with both Army and Navy aviation history on... More
U.S. Naval Base, Pearl Harbor, Naval Housing Area Makalapa, Senior Off...
Significance: This housing type is significant as the residence of flag officers of the Navy in Hawaii from 1941 to the present, and as an example of Hawaiian residential architecture during the 1940s, in a gro... More
Winthrop Victory, Suisun Bay Reserve Fleet, Benicia, Solano County, CA
STORED ON SITE. mchr Significance: The Winthrop Victory is significant as an example of the Victory class, a new class of cargo ships that entered service during World War II. These fast, long-range vessels su... More
Douglas Aircraft Company Long Beach Plant, Aircraft Parts Receiving & ...
Significance: Building No. 5 is one of 18 contributing buildings and two features to the Douglas Aircraft Company Long Beach Plant historic district. Activities associated with the district significantly contr... More
Douglas Aircraft Company Long Beach Plant, 3855 Lakewood Boulevard, Lo...
Significance: As the Douglas Aircraft Company Long Beach plant, the facility made a significant contribution to the development of the aviation industry in southern California. It was constructed as a critical... More
Douglas Aircraft Company Long Beach Plant, 3855 Lakewood Boulevard, Lo...
Significance: As the Douglas Aircraft Company Long Beach plant, the facility made a significant contribution to the development of the aviation industry in southern California. It was constructed as a critical... More
U.S. Naval Base, Pearl Harbor, Naval Housing Area Makalapa, Junior Bac...
Significance: This house is significant as an example of adaptation of a residential building during World War II to another use. It was designed as a house and returned to residential use after the war. Duri... More
Mare Island Naval Shipyard, South Fire Station, Railroad Avenue near E...
Significance: Building 726, built in 1941, is considered significant for its association with U.S. Naval history and the Mare Island Shipyard (MINSY), the first naval installation on the west coast. Portions of... More
Holston Army Ammunition Plant, Producer Gas Plant, Kingsport, Sullivan...
Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description
U.S. Marine Corps Base Hawaii, Kaneohe Bay, Golf Course Equipment & Re...
Significance: Building 477 was built from Quonset huts which were erected on Kaneohe Naval Air Station during the late years of WWII. Thousands of Quonset huts were erected as temporary buildings worldwide duri... More
Hilina Pali Road, Volcano, Hawaii County, HI
Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosystems and archaeological sites. It represents the traditional NPS ... More
Hilina Pali Road, Volcano, Hawaii County, HI
Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosystems and archaeological sites. It represents the traditional NPS ... More
Navy Yard, Building No. 28, Between Isaac Hill & Patterson Avenues, Wa...
Significance: Building 28 is a contributing property in the Washington Navy Yard National Historic Landmark. The Washington Navy Yard once served as the center for naval ordnance research and production and is... More
USS Gage, James River Reserve Fleet, Newport News, Newport News, Virgi...
Public domain photograph - historical image of Virginia, United States, free to use, no copyright restrictions image - Picryl description
U.S. Naval Base, Pearl Harbor, Paint & Oil Storage, Near intersection ...
Significance: It was constructed in the shipyard during the WWII period at Pearl Harbor. This paint and oil storage facility was built adjacent to Facility No. 56, which was originally a salvage storehouse. Loc... More
U.S. Naval Base, Pearl Harbor, Seaplane Runway, Southern tip of Ford I...
Significance: It is associated with the establishment of Naval Air Station facilities on Ford Island in the 1920s. It reflects the Navy's use of seaplanes during this era of early aviation. Facility No. S360, c... More
Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, S...
Significance: During the Cold War years, the Nation's nuclear arsenal included 1,000 Minuteman missiles. The Oscar-01 Missile Alert Facility (MAF) at Whiteman Air Force Base (AFB) was an integral part of that ... More
U.S. Naval Base, Pearl Harbor, Barracks & Mess Hall, Hornet Avenue bet...
Significance: Facility No. 55 was an integral part of the build up of the air base on Ford Island in the 1930s. This new quarters building for 1000 enlisted bachelors was one of the largest of such facilities f... More
U.S. Naval Base, Pearl Harbor, Barracks & Mess Hall, Hornet Avenue bet...
Significance: Facility No. 55 was an integral part of the build up of the air base on Ford Island in the 1930s. This new quarters building for 1000 enlisted bachelors was one of the largest of such facilities f... More
Rock Island Arsenal, Building No. 140, Second Street between Ramsey St...
Significance: The Gun Stock Dry Kiln was one of a pair of almost identical buildings erected in 1917-1918 for seasoning lumber used in the arsenal's manufacturing program (see HAER No. IL-20W). The building wa... More
U.S. Naval Base, Pearl Harbor, Naval Housing Area Makalapa, Angle Two-...
Significance: This housing type is significant as an example of Hawaiian residential architecture during the 1940s, in a grouping of related types. The design is notable for the use of new materials and minima... More
Manzanar War Relocation Center, Military Police Post, Independence, In...
Public domain photograph of rural California, dust bowl refugees, 1930s-1940s, no copyright restrictions image - Picryl description
U.S. Coast Guard Buoy Tenders, 180' Class, U.S. Coast Guard Headquarte...
Significance: These vessels were built to serve as 180' U.S. Coast Guard cutters. A total of thirty-nine of these cutters, built in three subclasses, were purchased by the government from 1942-1944. The USCG ... More
Hawaii Volcanoes National Park Roads, Volcano, Hawaii County, HI
See Thurston Lava Tube, HALS HI-6, for additional documentation. Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosyst... More
National Institutes of Health, Industrial Hygiene Laboratory, 9000 Roc...
Significance: The Industrial Hygeine Laboratory, constructed in 1938, is one of the original laboratory buildings built for the National Institute of Health (NIH) in Bethesda, and the first laboratory built sol... More
Rock Island Arsenal, Building No. 110, Rodman Avenue between Fourth St...
Significance: After taking command of Rock Island Arsenal in 1865, General Thomas Jefferson Rodman devised a master plan for the installation calling for the construction of ten large, Greek Revival, manufactur... More
Hughes Aircraft Company, 6775 Centinela Avenue, Los Angeles, Los Angel...
Significance: Primarily developed between 1941 and 1953 and in continuous use to the present, the subject structures of the Hughes Aircraft Company, Culver City plant, constitute a unique and remarkably intact ... More
Rock Island Arsenal, Building No. 106, Rodman Avenue between Second & ...
Significance: After taking command of Rock Island Arsenal in 1865, General Thomas Jefferson Rodman devised a master plan for the installation calling for the construction of ten large, Greek Revival, manufactur... More
Minidoka Relocation Center Warehouse, 111 South Fir Street, Shoshone, ...
Significance: This warehouse was one of six hundred buildings constructed at the Minidoka Relocation Camp for the internment of people of Japanese descent after the bombing of Pearl Harbor brought the United St... More
Minidoka Relocation Center Warehouse, 111 South Fir Street, Shoshone, ...
Significance: This warehouse was one of six hundred buildings constructed at the Minidoka Relocation Camp for the internment of people of Japanese descent after the bombing of Pearl Harbor brought the United St... More
U.S. Naval Base, Pearl Harbor, Dry Dock No. 2, On northern shoreline o...
Significance: This dry dock is associated with the expansion of waterfront facilities at Pearl Harbor in the 1940s, and played an important role in salvage operations after the December 7, 1941 attack. The dock... More
Oakland Army Base, General Purpose Administration Building, Chungking ...
Significance: Building 90 was a structure used in support of Oakland Army Base's World War II mission. Survey number: HAER CA-125-G Building/structure dates: 1941 Initial Construction
U.S. Naval Base, Pearl Harbor, Electric Shop, Sixth Street opposite 10...
Significance: It is located within the Pearl Harbor National Historic Landmark. It is an annex to Facility 67 (HABS HI-491), built nearly two decades earlier. It was constructed as part of the major buildup of ... More
U.S. Naval Base, Pearl Harbor, Electric Shop, Sixth Street opposite 10...
Significance: It is located within the Pearl Harbor National Historic Landmark. It is an annex to Facility 67 (HABS HI-491), built nearly two decades earlier. It was constructed as part of the major buildup of ... More
Naval Operating Base Dutch Harbor & Fort Mears, Torpedo Bombsight & Ut...
Significance: This was equipped for the preparation of torpedoes for loading, the repair and storage of torpedo bombsights and a parachute loft. It is representative of the many aviation support buildings cons... More
Pearl Harbor Memorial Community Church, 20 Bougainville Drive, Honolul...
Significance: The church was listed in the Hawai'i Register of Historic Places in 2003, and was determined eligible for listing in the National Register of Historic Places. The stained glass window wall possess... More
U.S. Naval Base, Pearl Harbor, Naval Housing Area Makalapa, Junior Off...
Significance: This housing type is significant as an example of Hawaiian residential architecture during the 1940s, in a grouping of related types. The design is notable for the use of new materials and minima... More
Mare Island Naval Shipyard, Explosive "D" Loading Plant, Railroad Aven...
Significance: Built in 1939, Building A187 is one of two remaining World War II-era projectile loading plants. The high explosive material known as Explosive "D" (Ammonium Picrate) would be received from Build... More
Mare Island Naval Shipyard, Explosive "D" Loading Plant, Railroad Aven...
Significance: Built in 1939, Building A187 is one of two remaining World War II-era projectile loading plants. The high explosive material known as Explosive "D" (Ammonium Picrate) would be received from Build... More
Kodiak Naval Operating Base, Aircraft Storehouse, U.S. Coast Guard Sta...
Significance: This building is one of the three major support buildings erected to serve the U.S. Naval Operating Base in World War II; this building retains much of its integrity and contributes to the general... More
Kodiak Naval Operating Base, Aircraft Storehouse, U.S. Coast Guard Sta...
Significance: This building is one of the three major support buildings erected to serve the U.S. Naval Operating Base in World War II; this building retains much of its integrity and contributes to the general... More
Kodiak Naval Operating Base, Aircraft Storehouse, U.S. Coast Guard Sta...
Significance: This building is one of the three major support buildings erected to serve the U.S. Naval Operating Base in World War II; this building retains much of its integrity and contributes to the general... More
NASA Industrial Plant, Material Conservation & Storage Facility, 12214...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Fireboat DUWAMISH, South Lake Union Pier, Seattle, King County, WA
Significance: Fireboat DUWAMISH is one of the oldest extant fireboats specifically built for the purpose of firefighting and retains a high degree of integrity. It was designated a National Historic Landmark i... More
U.S. Naval Base, Pearl Harbor, Naval Housing Area Makalapa, Junior Off...
Significance: This housing type is significant as an example of Hawaiian residential architecture during the 1940s, in a grouping of related types. The design is notable for the use of new materials and minima... More
U.S. Naval Base, Pearl Harbor, Naval Housing Area Makalapa, Junior Off...
Significance: This housing type is significant as an example of Hawaiian residential architecture during the 1940s, in a grouping of related types. The design is notable for the use of new materials and minima... More
Naval Supply Annex Stockton, Pass Office, North of Main Gate on Fyffe ...
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
U.S. Naval Base, Pearl Harbor, Practice Bomb Storehouse, Yorktown Boul...
Significance: This building was associated with the training function of the Naval Air Station on Ford Island during World War II. The practice bombs stored here were used to train air crews in aerial bombing.... More
Mission Santa Ynez, Suisun Bay Reserve Fleet, Benicia, Solano County, ...
STORED ON SITE. mchr Significance: The Mission Santa Ynez is significant as the last surviving example of the thirty-one Mission tankers built by The Marinship Corporation. The design was an adaptation of the ... More
Rock Island Arsenal, Building No. 131, South Avenue between Gillespie ...
Significance: Located immediately south of Shop A, Storehouse A was completed in 1905 to replace an earlier structure of the same name that had burned two years earlier on the same site. Based on the plans of ... More
U.S. Naval Base, Pearl Harbor, Administration Annex, Near Russell Aven...
Significance: It is located within the Pearl Harbor National Historic Landmark. It is associated with the great expansion of facilities and personnel during WWII. It functioned as a secure fireproof record stor... More
U.S. Naval Base, Pearl Harbor, Administration Annex, Near Russell Aven...
Significance: It is located within the Pearl Harbor National Historic Landmark. It is associated with the great expansion of facilities and personnel during WWII. It functioned as a secure fireproof record stor... More
U.S. Naval Base, Pearl Harbor, Administration Annex, Near Russell Aven...
Significance: It is located within the Pearl Harbor National Historic Landmark. It is associated with the great expansion of facilities and personnel during WWII. It functioned as a secure fireproof record stor... More
Ellsworth Air Force Base, Rushmore Airforce Station, A.C. Warehouse Mi...
Significance: This building possesses documented historical association with the base's initial construction, and with its operation during World War II. The building continued to be used by the base during the... More
Union Iron Works Turbine Machine Shop, 2200 Webster Street, Alameda, A...
Significance: The Union Iron Works Turbine Machine Shop building is both historically and architecturally significant. As the nucleus of a major West Coast shipyard which made important contributions to ship b... More
U.S. Naval Base, Pearl Harbor, Ford Island 5-Inch Antiaircraft Battery...
Significance: This antiaircraft battery command center and its gun emplacements are associated with the hasty construction of nine 5-inch antiaircraft defensive positions in the months after the 7 December 1941... More