> Re-used hardware on today's mission: # Booster # flew for the fist time on June 3, 2017 when it helped lift # SpX-11 into orbit. Dragon C108 spent 37 days in space in April/May 2015 on the SpX-6 mission that delivered two metric tons of cargo to ISS.


> This is the first CRS mission to use a flown # first stage and the second re-use mission of a # NASA worked on clearing Falcon 9 for re-use flights since January, completing extensive reviews to ensure a once-flown 1st stage does not add risk to mission success.