April 2022閲覧。 “Crew-4 is scheduled for a long duration stay of up to six months aboard station conducting science and maintenance before returning to Earth
David (7 January 2008). “Accidents/incidents for 2007 – Fatal accidents: scheduled passenger flights”. Flight International (Flightglobal). オリジナルの2 May 2012時点におけるアーカイブ。
Interior Composition ExploreR Mission". NASA. 2016年2月26日閲覧。Previously scheduled for a December 2016 launch on SpaceX-12, NICER will now fly to the International