Editing Rockwell B-1 Lancer (section)

==Variants==
[[File:B1ArearWingsMus.JPG|thumb|The rear section showing the B-1A's pointed radome |alt=]]

;B-1A: The B-1A was the original B-1 design with variable engine intakes and Mach&nbsp;2.2 top speed. Four prototypes were built; no production units were manufactured.<ref name=AF_Alma_facts-figs_2005/><ref name=Complete_Encyclopedia>Donald 1997, p. 723.</ref>
;B-1B: The B-1B is a revised B-1 design with reduced radar signature and a top speed of Mach&nbsp;1.25. It is optimized for low-level penetration. A total of 100 B-1Bs were produced.<ref name=Complete_Encyclopedia/>
;B-1R: The B-1R was a 2004 proposed upgrade of existing B-1B aircraft.<ref name=B-1R>{{citation |last1=Lewis |first1=Paul |first2= Erik |last2=Simonsen |url= http://www.boeing.com/ids/allsystemsgo/issues/vol2/num2/story01.html |title=Offering Unique Solutions for Global Strike Force. |work=All Systems Go |publisher= Boeing |volume=2 |issue=2 |year=2004 |archive-url=https://web.archive.org/web/20071212053150/http://www.boeing.com/ids/allsystemsgo/issues/vol2/num2/story01.html |via= Internet Archive |access-date=8 October 2009|archive-date=12 December 2007 }}</ref> The B-1R (R for "regional") would be fitted with advanced radars, [[air-to-air missile]]s, and new [[Pratt & Whitney F119]] engines (from the [[Lockheed Martin F-22 Raptor]]). This variant would have a top speed of Mach&nbsp;2.2, but with 20% shorter range.<ref name=Hebert_Long-Range_Strike>Hebert, Adam J. {{usurped|1=[https://web.archive.org/web/20120706221934/http://www.airforce-magazine.com/MagazineArchive/Pages/2004/November "Long-Range Strike in a Hurry."]}} ''Air Force Magazine'', November 2004. Retrieved 8 October 2009.</ref> Existing external hardpoints would be modified to allow multiple conventional weapons to be carried, increasing overall loadout. For air-to-air defense, an active electronically scanned array (AESA) radar would be added and some existing hardpoints modified to carry air-to-air missiles.<ref name=B-1R/>