Bergin, Chris (18 de diciembre de 2015). «SpaceX Falcon 9 Static Fires ahead of OG2 RTF mission». NASASpaceFlight.com. Consultado el 19 de diciembre de 2015. «All that is currently known for this mission is SpaceX’s ambition to conduct a historic landing on its new Cape Canaveral landing pad, officially known as LZ-1 (Landing Zone -1), but also tagged “X.»
Graham, William (21 de diciembre de 2015). «SpaceX returns to flight with OG2, nails historic core return». NASASpaceFlight.com. Consultado el 21 de diciembre de 2015. «During Monday’s launch, the first stage made its historic return to LZ-1 and successfully landed in a milestone event for SpaceX.»