SpaceX CRS-17
SpaceX CRS-17, also known as SpX-17, was a Commercial Resupply Services mission (CRS) to the International Space Station that was launched aboard a Falcon 9 rocket on 4 May 2019. The mission was contracted by NASA and was flown by SpaceX. Launch schedule history. In February 2016, it was announced that NASA had awarded a contract extension to SpaceX for five additional CRS missions (CRS-16 to CRS-20). , a NASA Inspector General report had this mission manifested for October 2018, but by January 2019 this had been pushed back to April 2019. Due to a Dragon 2 test anomaly  on 20 April 2019, SpaceX needed to acquire a permit to allow landing on the drone ship, "Of Course I Still Love You". The ship was stationed just downrange "to ensure the integrity of the area and preserve valuable information". Primary payload. Total weight of the cargo on the CRS-17 mission was , consisting of in the pressurized section and 965 kg in the unpressurized section. Cargo in unpressurized section included the Orbiting Carbon Observatory 3 (OCO-3) and STP-H6.