Bergin, Chris. «Dragon enjoying ISS stay, despite minor issues – Falcon 9 investigation begins». NASASpaceflight.com, 19-10-2012. [Consulta: 21 octubre 2012]. «CRS-2 will debut the use of Dragon's Trunk section, capable of delivering unpressurized cargo, prior to the payload being removed by the ISS' robotic assets after berthing.»
«SpaceX CRS-2 Dragon return timeline». Spaceflightnow, 26-03-2013. [Consulta: 13 abril 2013]. «The unpressurized trunk section of the Dragon spacecraft separates. The trunk is designed to burn up on re-entry, while the pressurized capsule returns to Earth intact.»
Shotwell, Gwynne (2014-06-04). Discussion with Gwynne Shotwell, President and COO, SpaceX. Atlantic Council. Dura 12:20–13:10. Consulta: 2014-06-08. «NASA ultimately gave us about $396 million; SpaceX put in over $450 million ... [for an] EELV-class launch vehicle ... as well as a capsule»