Rockwell B-1B Lancer

Role	Supersonic 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)

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