In addition to LOX and RP-1, #Falcon9 receives Helium to act as tank pressurant gas, and Nitrogen attitude control system propellant— Spaceflight101 LIVE (@S101_Live) August 14, 2016
In addition to LOX and RP-1, #Falcon9 receives Helium to act as tank pressurant gas, and Nitrogen attitude control system propellant