Boeing B-52D Stratofortress. After it became operational in 1955, the B-52 remained the main long-range heavy bomber of the US Air Force during the Cold War, and it continues to be an important part of the USAF bomber force today. Nearly 750 were built before production ended in the fall of 1962; 170 of these were B-52Ds. TECHNICAL NOTES: Armament: Four .50-cal. machine guns in tail plus up to 60,000+ lbs. of conventional or nuclear bombs Engines: Eight Pratt & Whitney J57s of 12,100 lbs. thrust each Maximum speed: 638 mph Range: 8,338 miles unrefueled Ceiling: 49,400 ft. Span: 185 ft. Length: 156 ft. 6 in. Height: 48 ft. 4 in. Weight: 450,000 lbs. maximum
TECHNICAL NOTES:
Armament: Four .50-cal. machine guns in tail plus up to 60,000+ lbs. of conventional or nuclear bombs
Engines: Eight Pratt & Whitney J57s of 12,100 lbs. thrust each
Maximum speed: 638 mph
Range: 8,338 miles unrefueled
Ceiling: 49,400 ft.
Span: 185 ft.
Length: 156 ft. 6 in.
Height: 48 ft. 4 in.
Weight: 450,000 lbs. maximum