B-29 Superfortress Enola Gay U.S. Coast Guard Clippers were already routinely crossing

Clippers were already routinely crossing the vast Pacific

The design showed promise and AAF purchases of Allison-powered Mustangs began in 1941 primarily for photo recon and ground support use due to its limited high-altitude performance

Piper J-3 Cub airplane model

and by early 1943 the first Spitfires were arriving in the Pacific Theater

10 airframes were modified in the U

B-29 Superfortress Enola Gay U.S. Coast Guard Clippers were already routinely crossingEnola Gay B 29 airplane model. Boeing's B 29 Superfortress was the most sophisticated, propeller driven, bomber to fly during World War II, and the first bomber to house its crew in pressurized compartments. Boeing installed very advanced armament, propulsion, and avionics systems into the Superfortress. During the war in the Pacific Theater, the B 29 delivered the first nuclear weapons used in combat. On August 6, 1945, Colonel Paul W. Tibbets, Jr.,