B1 nuclear Bomber - Missile Launcher(B1 폭격기 미사일 발사장면)

B1 nuclear Bomber - Missile Launcher

The Rockwell (now part of Boeing) B-1 Lancer[N 1] is a four-engine variable-sweep wing strategic bomber used by the United States Air Force (USAF). It was first envisioned in the 1960s as a supersonic bomber with Mach 2 speed, and sufficient range and payload to replace the Boeing B-52 Stratofortress. It was developed into the B-1B, primarily a low-level penetrator with long range and Mach 1.25 speed capability at high altitude.

Designed by Rockwell International, the bomber's development was delayed multiple times over its history, as the theory of strategic balance changed from flexible response to massive retaliation and back again. This change in stance repeatedly demanded then ignored the need for manned bombers. The initial B-1A version was developed in the early 1970s, but its production was canceled, and only four prototypes were built. The need for a new platform once again surfaced in the early 1980s, and the aircraft resurfaced as the B-1B version with the focus on low-level penetration bombing. However by this point development of stealth technology was promising an aircraft of dramatically improved capability. Production went ahead as the B version would be operational before the "Advanced Technology Bomber" (which became the B-2 Spirit), during a period when the B-52 would be increasingly vulnerable. The B-1B entered service in 1986 with the USAF Strategic Air Command as a nuclear bomber.

罗克韦尔（现在的波音公司的一部分），B-1枪骑兵[N 1]是四引擎的可变后掠翼战略轰炸机，美国空军（USAF）。 2马赫的速度为超音速轰炸机，这是第一次在20世纪60年代的设想和足够的射程和有效载荷，以取代波音B-52"同温层堡垒"。它被开发成B-1B，主要是一个低级别的穿甲弹，长距离和1.25马赫的速度在高海拔地区的能力。

由罗克韦尔国际公司设计，轰炸机的发展被推迟多次在它的历史，为改变战略平衡的理论灵活地应对大规模报复回来。这种变化的立场一再要求，忽视了必要的载人轰炸机。 B-1A的初始版本是在20世纪70年代初开发的，但它的生产被取消，只有四个原型被建立了。需要一个新的平台上再次浮现在20世纪80年代初，飞机再次成为专注于低层次的渗透轰炸的B-1B版本。然而，这一点隐身技术的发展是有希望的能力显着提高飞机的。生产继续之前的"先进技术轰炸机"（即成为B-2幽灵）的B版本将运行期间，B-52将变得越来越脆弱。与美国空军战略空军司令部的核轰炸机B-1B在1986年进入服务。

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