Editing LHTEC T800 (section)

==Design and development==
[[File:Rah-66 c. 2000.jpg|thumb|The first RAH-66 prototype]]

The engine was originally developed for the [[United States Army]]'s [[Light Helicopter Experimental|LHX]] armed reconnaissance helicopter competition, competing against the [[Avco/Pratt & Whitney T800]]. The LHTEC T800 was selected to power the LHX in 1988.<ref>Leyes, p. 213-216</ref> The Boeing-Sikorsky team was selected to build the  RAH-66 Comanche in 1991.<ref name="Boeing-Sikorsky win contract">{{cite news |last1=Stevenson |first1=Richard W. |title=Boeing-Sikorsky Gets Copter Pact |url=https://www.nytimes.com/1991/04/06/business/boeing-sikorsky-gets-copter-pact.html |access-date=20 August 2018 |work=The New York Times |date=6 April 1991}}</ref> A pair of T800-powered RAH-66 prototypes were constructed and underwent flight testing between 1996 and 2004. The LHX program was canceled in 2004, primarily due to cost overruns during its lengthy development, and the US Army's changing requirements.<ref name=AW_Comanche_Killed>{{Cite news |last1=Fulghum |first1=David A. |first2=Robert |last2=Wall |title=Comanche Helicopter Program Killed |work= Aviation Week |date=29 February 2004}}</ref><ref name=CNN_Army_cancels>{{Cite news |url=http://edition.cnn.com/2004/US/02/23/helicopter.cancel/ |title=Army cancels Comanche helicopter |publisher=CNN |date=23 February 2004 |access-date=8 July 2011 |archive-url=https://web.archive.org/web/20121025024033/http://edition.cnn.com/2004/US/02/23/helicopter.cancel/ |archive-date=25 October 2012}}</ref>