Rockwell B-1 Lancer
The Rockwell (later Boeing) B-1 Lancer is a variable-sweep supersonic bomber, its wings sweeping forward for efficient takeoff and back for fast, low-level penetration of enemy air defences. It was originally conceived as a high-altitude supersonic bomber but was redesigned partway through development to emphasise low-level speed instead, after improving Soviet surface-to-air missiles made high-altitude bombing increasingly dangerous. Its distinctive blended, wasp-waisted fuselage shape helps reduce drag and radar signature compared with a more conventional bomber airframe. It remains a core part of the US Air Force's long-range conventional strike force, having flown extensive combat missions over Afghanistan and Iraq.
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Did you know?
The B-1 Lancer's wings sweep forward for efficient takeoff and back for fast, low-level penetration of enemy air defences.
Specifications
| Length | 44.5 m (146 ft) |
|---|---|
| Wingspan | 41.8 m (137 ft) |
| Height | 10.4 m (34 ft) |
| Persons on board | 4 |
| Crew | 4 |
| Maximum take-off weight | 216.4 t |
| Range | 6,478 NM (11,997 km) |
| Maximum speed | 830 kt (1,537 km/h) |
| Service ceiling | 30,000 ft (9,144 m) |
| Optimum ceiling | 41,000 ft (12,497 m) |
| Rate of climb | 5,678 ft/min (28.8 m/s) |
| Take-off distance | 1,700 m (5,577 ft) |
| Landing distance | 1,500 m (4,921 ft) |
| Engines | 4x General Electric F101 |
| Units built | 104 |
Curated by CatchFlights from manufacturer documents, ICAO Doc 8643 and reference works; values are left out where no source could confirm them. Sources are listed on our credits page.
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