Plane with cruising radius of 11,000 miles at 380 miles per hour plan of Glenn Martin. Washington, D.C., Feb. 28. Glenn L. Martin, Baltimore airplane manufacturer, today told amazed members of the House Naval Affairs Committee when he told he is studying plans for a new super ship capable of cruising 11,000 miles at 380 miles per hour with 4,000 pounds of bombs. The ship he is planning to build will dwarf even the biggest planes now in use, Martin added. Martin was testifying on President Roosevelt's billion- dollar Naval Expansion Program, 2/28/38