B-1B
Quick Summary
The B-1 is a variable-wing strategic bomber developed by Rockwell International for the United States. It was designed as a successor to the B-52 Stratofortress, intended to penetrate radar-guided air defenses by flying at low altitudes.1
There were two main versions:
* B-1A: First flown in 1974, designed for supersonic speeds at high altitudes and capable of carrying nuclear bombs and short-range attack missiles (SRAMs).1
* B-1B: Modified with stealth features like blended contours and radar-absorbing materials. While its speed was reduced, its radar reflectivity was significantly lowered compared to the B-52. The first B-1B flew in 1984, and by 1988, 100 bombers were operational in the U.S..1
The B-1B measures 147 feet (44.8 meters) in length with a wingspan of about 137 feet (42 meters). It can fly at subsonic speeds at its operating ceiling of 40,000 feet (12,000 meters) but can descend to 200 feet (60 meters) and reach Mach 0.9 (670 mph or 1,080 km/h) with its wings swept back. It can carry a variety of weapons, including cruise missiles, SRAMs, and numerous conventional or nuclear bombs.1
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B-1The B-1B modified the basic airframe with stealth features, such as blended contours and radar-absorbing materials, which lowered the aircraft’s speed but reduced its radar reflectivity to one one-hundredth that of the B-52. The first B-1B flew in 1984, and by 1988 four wings totaling 100…
Read MoreThe B-1B modified the basic airframe with stealth features, such as blended contours and radar-absorbing materials, which lowered the aircraft’s speed but reduced its radar reflectivity to one one-hundredth that of the B-52. The first B-1B flew in 1984, and by 1988 four wings totaling 100…
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military aircraftLow-level penetrationThe B-1B Lancer, the operational version of the B-1, could achieve supersonic flight only in short bursts at high altitude, while the Soviet bombers were capable of supersonic “dash” at low level and could fly at twice the speed of sound at high altitude.
Read MoreThe B-1B Lancer, the operational version of the B-1, could achieve supersonic flight only in short bursts at high altitude, while the Soviet bombers were capable of supersonic “dash” at low level and could fly at twice the speed of sound at high altitude.
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