SpaceX CRS-12, also known as SpX-12, was a Commercial Resupply Services mission to the International Space Station launched on 14 August 2017.[1][9] After delivering more than 2,900 kilograms (6,400 lb) of cargo, the Dragon spacecraft returned to Earth on 17 September 2017.The spacecraft successfully landed in the Pacific Ocean at 14:14 UTC, returning approximately 1,700 kilograms (3,800 lb) of experiments and equipment to Earth.[3] NASA has contracted for the CRS-12 mission from SpaceX and therefore determines the primary payload, date/time of launch, and orbital parameters for the Dragon space capsule.This included 1,652 kg (3,642 lb) of pressurised cargo with packaging bound for the International Space Station, and 1,258 kg (2,773 lb) of unpressurised cargo composed of the CREAM instrument, to be mounted externally to the ISS.