3David E W. Commercial crew development environmentalcontrol and life support system status JSC-CN-22060[R]. Houston, TX: Johnson Space Center, 2011.
4Daniel Z,Sam W, Bong W. The first human asteroid mis-sion; target selection and conceptual mission design,AIAA-2010-8370[R]. Reston: AIAA,2010.
5Paul M,Larry P. Orion multi purpose crew vehicle explo-ration flight test objectives[C]//63th IAC. Naples: Inter-national Aerospace Federation, 2012 : IAC-12. B6. 1. 9.
6John F L, Richard A B,Cynthia D C,et al. Multi pur-pose crew vehicle environmental control and life supportdevelopment status, JSC-CN-27502 [R]. Houston, TX:Johnson Space Center? 2012.
7Detlef W. Building transatlantic partnerships in space ex-ploration the MPCV-SM study, E18271 [R]. Cleveland,OH: Glenn Research Center, 2012.
8Murphy K J, Bibb K L,Brauckmann G J, et al. Orioncrew module aerodynamic testing, AIAA-2011-3502[R].Reston: AIAA, 2011.
9Bibb K L,Walker E L,Brauckmann G J, et al. Develop-ment of the orion crew module static aerodynamic database,Part II: supersonic/subsonic, AIAA-2011-3507[R]. Reston:AIAA, 2011.
10NASA selects SpaceX to be part of Americaf s humanspaceflight program [ EB/OL]? [ 2014-06-01 ]. http: //www. spacex. com/news/2014/09/16/nasa-selects-spacex-be-part-americas-human-spaceflight-program.
