This film celebrates the strength of the Army Air Force by showing many of the different types of military jets and bombers, but mostly through the grandiose and historic event of dropping an atom bomb on Bikini Atoll in Operation Crossroads. Special Delivery of America's historic achievements was the destiny of the B-29. For the Army Air Forces next committed the giant B-29 armada to science. Never before had such a mighty target been assembled beneath a bomb site. 73 ships in a 5-mile area, it was a bombardier's dream target. Length 10:00.