On the eve of World War I, the art of submarine warfare was barely a dozen years old; no nation had submarine-qualified officers serving at the senior staff level and no nation had developed any method for detecting submarines, or attacking them if...
In 1938 the US Chief of Infantry requested that the Ordnance Department develop a carbine to be used by service and support troops, artillerymen, machine-gun crews, tankers, mortar crews and other troops not needing the power of the M1 Garand rifle....