«SpaceX Changes its Falcon 9 Return-to-flight Plans», 16-10-2015. [Consulta: 27 gener 2016]. «It can then use the extra muscle to return the rocket’s first stage to a landing platform even after missions to geostationary orbit. The Falcon v1.1, which will be used only once more, for a low-orbit mission for NASA, does not have sufficient power to perform a geostationary transfer orbit mission and a return of the rocket’s first stage, a maneuver that consumes substantial fuel on its own.»
Mahlstedt, Brian. «"Telstar 19 VANTAGE Mission"» (YouTube) (en anglès). SpaceX, 21-07-2018. «Block 5 represents a series of upgrades to the Falcon 9, and these designs allow us to reuse each F9 ten times or more, as well as reduce refurbishment between flights.»
