FLYING Classics: B-1B's Legacy of Mission Flexibility

The B-1B Lancer's roles have included nuclear deterrence and close-air support.

Scott Mall

Friday, October 07, 2022 at 09:11 AM ET

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A B-1B with wings swept full forward. [Courtesy: USAF]

Key Takeaways:

The B-1 bomber's development faced initial setbacks, including the cancellation of the B-1A due to cost and strategic shifts, but was later revived as the B-1B under President Reagan to counter the Soviet Union.
Originally conceived as a nuclear deterrent, the B-1B Lancer transitioned its primary mission to conventional bombing after the Cold War, becoming a versatile platform for precision-guided munitions.
In various combat missions, the B-1B proved highly effective, consistently delivering a disproportionately large amount of ordnance and playing a critical role in operations like Allied Force and Iraqi Freedom.
The B-1B fleet is currently being phased out due to age and structural fatigue from its extensive conventional combat use, with its retirement anticipated before the B-52, which it was initially designed to replace, as the B-21 Raider comes online.

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In 1964, the U.S. Air Force (USAF) sought a new bomber that could fly at supersonic speeds at high altitude and at high subsonic speeds at low altitude. However, then Secretary of Defense Robert McNamara found crewed bombers unnecessary as a nuclear deterrent. Moreover, the Vietnam War was ramping up, so McNamara limited the bomber project to studies and component development.

With a widening war, the strategic, fast, high-flying bomber project stalled in the 1960s, while the B-52—which excelled in a low-altitude role—remained relevant on bombing missions in Vietnam.