Crew Dragon Demo-1, on Falcon 9 flight 69 25 July 2019 First use of a full-flow staged combustion cycle engine (Raptor) in a free flying vehicle.[69] The benefit is a much longer life than conventional engines; it is expected to able to be re-used 1000 times.[70] Starhopper 11 November 2019 First reuse of payload fairing. The fairing was from the ArabSat-6A mission in April 2019.