Kenyon, Henry. New NSA data center breaks ground on construction -- Defense Systems. Defense Systems. Jan 7, 2011 [11 August 2011]. (原始内容存档于2011-10-05). Fidel
mix of private and government resupply vehicles being used for the ISS, as the Russian Soyuz and Progress vehicles, and the European Space Agency (ESA)
1930年5月14日,美国国会批准設立美國聯邦監獄管理局。 Statutory Authority to Contract With the Private Sector for Secure Facilities. US Department of Justice. [November 17, 2013]