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1994-09-26
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As potential succesors to the B-52 bomber, the B-58 and B-70 came and
went without success. Then in 1962, the Air Force undertook the Advanced
Manned Strategic Aircraft program to develop a new strategic bomber. The
contract was won in 1970 by the North American Division of Rockwell Inter-
national, which has developed the XB-70. Built under the designation B-1,
the new strategic bomber made its maiden flight in December 1974. By 1977,
three of the billion-dollar bombers had been built when the program was can-
celed. Four years later when a replacement for the B-52 still had not been
found, President Ronald Reagan revived the program under the designation
B-1B.
The B-1B program produced a new bomber that included redesigned engine
air intakes to reduce the aircraft's radar profile to far less than that of the
B-52. Because of its radar profile, a B-1B can penetrate enemy airspace
with a 99 times better chance than a B-52. The redesigned intakes cut the
speed of the B-1B to just over Mach 1, which is half again as fast as the
B-52.
The first B-1B made its initial flight in October 1984. The first B-1B squadron
became operational with the United States Air Force Strategic Air Command
in October 1986. The last of the B-1Bs were completed under budget and
ahead of schedule in April 1988.
Despite its smaller size than the B-52, the B-1B can carry more bombs and
Short Range Attack Missiles than the B-52H. It can also accommodate eight
air-launched cruise missiles in the internal weapons bay and another 12 out-
side.
The B-1B bomber handles like a fighter. It can accelerate fast and turn
quickly. The B-1B was designed for low-level flight to penetrate enemy radar
nets. It can fly at high subsonic speed and is equipped with terrain-following
radar and variable-geometry wings. Although it is packed with sophisticated
avionics, the B-1B has nevertheless been plagued with mechanical problems.
None served in the Gulf War.