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B-1B Lancer

B-1 Lancer
Top view of B-1B in-flight with white clouds scattered underneath. Its wings are swept fully forward as the gray aircraft flies over the ocean.
A B-1B flying over the Pacific Ocean.
Role Supersonic heavy strategic bomber
National origin United States
Manufacturer North American Rockwell/Rockwell International
Boeing
First flight 23 December 1974
Introduction 1 October 1986
Status In service
Primary user United States Air Force
Produced 1973–74, 1983–88
Number built B-1A: 4
B-1B: 100
Unit cost
US$283.1 million in 1998 (B-1B)
External image
Rockwell B-1A Cutaway
Rockwell B-1A Cutaway from Flightglobal.com

The Rockwell B-1 Lancer is a four-engine supersonic variable-sweep wing, jet-powered heavy 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. It is commonly called the "Bone" (originally from "B-One").

Designed by Rockwell International (now part of Boeing), development was delayed multiple times over its history due to changes in the perceived 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 (SAC) as a nuclear bomber.

In the early 1990s, following the Gulf War and concurrent with the disestablishment of SAC and its reassignment to the newly formed Air Combat Command (ACC), the B-1B was converted to conventional bombing use. It first served in combat during Operation Desert Fox in 1998 and again during the NATO action in Kosovo the following year. The B-1B has supported U.S. and NATO military forces in Afghanistan and Iraq. The B-1B is expected to continue to serve into the 2030s, with the Long Range Strike Bomber to start supplementing the B-1B in 2030.


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