The North American Aviation XB-70 Valkyrie is a retired prototype version of the planned B-70 nuclear-armed, deep-penetration supersonic strategic bomber for the United States Air Force …

XB-70A Valkyrie: Mach 3 Marvel. Conceived in the 1950s as an intercontinental strategic nuclear bomber, the futuristic Valkyrie instead became a unique test aircraft in the 1960s. Higher and …

XB-70“女武神式”轰炸机（XB-70 "Valkyrie" Bomber）是一架美国空军在冷战时代开发的实验性三马赫超高空战略轰炸机。 虽然拥有当时最先进的技术概念与惊人的实力，但却因为战争型态 …

2014年2月28日 · The XB-70 Valkyrie, with a planned cruise speed of Mach 3 and operating altitude of 70,000 feet, was to be the ultimate high-altitude, high-speed manned strategic …

北美航空XB-70“女武神”轰炸机（英语：North American Aviation XB-70 Valkyrie，又译为“瓦尔基里”）是原北美航空公司于60年代研制的高空高速战略轰炸机，1964年9月，第一架XB-70首飞， …

2025年1月26日 · Key Points and Summary: The XB-70 Valkyrie, a supersonic bomber developed in the 1950s, promised to revolutionize aerial warfare with its Mach 3 speed and high-altitude …

2024年8月29日 · The North American Aviation XB-70 Valkyrie was a planned supersonic strategic bomber replacement for the Boeing B-52 Stratofortress and the Corvair B-58 Hustler. The …

2019年10月10日 · The North American Aviation XB-70 Valkyrie was the prototype version of the planned B-70 nuclear-armed, deep-penetration strategic bomber for the United States Air …

The XB-70 Valkyrie was the prototype version of the proposed B-70 supersonic bomber aircraft for the United States Air Force. It would serve as a deep penetration strategic bomber armed …

B-70 Valkyrie With research and development studies beginning in 1955, the XB-70 was a large, long-range strategic bomber was planned to be the replacement for the B-52. As in the B-58 …