The first LLRV flight by Neil Armstrong was made in vehicle #1 on March 27, 1967 from its base at a corner of Ellington Air Force Base, the headquarters for Johnson Space Center's aircraft operations. Joe Algranti, chief of JSC's Aircraft Operations Division, and test pilot H.E. Ream also made flights that month. Both observed, as did Armstrong and the other astronauts, that if a serious control problem developed, the pilot had little choice but to eject, since the vehicle only operated to a maximum altitude of .