Editing Northrop B-2 Spirit (section)

====Shelter system====
B-2s are supported by portable, environmentally-controlled hangars called B-2 Shelter Systems (B2SS).<ref name="stripes">{{cite news |url=https://www.stripes.com/news/portable-b-2-bomber-shelters-are-built-in-parts-officially-unknown-1.1054 |title=Portable B-2 bomber shelters are built ... in parts (officially) unknown |newspaper=[[Stars and Stripes (newspaper)|Stars and Stripes]] |first=Wayne |last=Specht |date=16 January 2003 |access-date=24 June 2018 |archive-date=25 June 2018 |archive-url=https://web.archive.org/web/20180625022005/https://www.stripes.com/news/portable-b-2-bomber-shelters-are-built-in-parts-officially-unknown-1.1054 |url-status=live}}</ref> The hangars are built by American Spaceframe Fabricators Inc. and cost approximately US$5&nbsp;million apiece.<ref name="stripes"/> The need for specialized hangars arose in 1998 when it was found that B-2s passing through [[Andersen Air Force Base]] did not have the climate-controlled environment maintenance operations required.<ref name="stripes"/> In 2003, the B2SS program was managed by the Combat Support System Program Office at [[Eglin Air Force Base]].<ref name="stripes" /> B2SS hangars are known to have been deployed to [[Naval Support Facility Diego Garcia]] and [[RAF Fairford]].<ref name="stripes"/>