- X-1A Flight 11 - - 1954 Mar 21 - Assignment: Prime Crew.
AF flight 5. Date estimated.
- X-1A Flight 12 - - 1954 Apr 4 - Assignment: Prime Crew.
AF flight 6. Date estimated.
- X-1A Flight 13 - - 1954 Apr 11 - Assignment: Prime Crew.
AF flight 7. Date estimated.
- X-1A Flight 14 - - 1954 Apr 25 - Assignment: Prime Crew.
AF flight 8. Date estimated.
- X-1A Flight 15 - - 1954 May 14 - Assignment: Prime Crew.
AF flight 9. Date estimated.
- X-1A Flight 16 - - 1954 May 28 - Assignment: Prime Crew.
AF flight 10. X-1A attained 26564 m, un-official world altitude record for manned aircraft.
- X-1A Flight 17 - - 1954 Jun 4 - Assignment: Prime Crew.
AF flight 11. X-1A reached 27374 m. Encountered same instability Yeager had, but at mach 1.97. Murray recovered after tumbling 6100 m down to 20130 m.
- X-1A Flight 18 - - 1954 Jun 18 - Assignment: Prime Crew.
AF flight 12. Date estimated.
- X-1A Flight 19 - - 1954 Jul 2 - Assignment: Prime Crew.
AF flight 13. Date estimated.
- X-1A Flight 20 - - 1954 Jul 16 - Assignment: Prime Crew.
AF flight 14. Date estimated.
- X-1A Flight 21 - - 1954 Jul 30 - Assignment: Prime Crew.
AF flight 15. Date estimated.
- X-1A Flight 22 - - 1954 Aug 8 - Assignment: Prime Crew.
AF flight 16. Date estimated.
- X-1A Flight 23 - - 1954 Aug 19 - Assignment: Prime Crew.
AF flight 17. Date estimated.
- X-1A Flight 24 - - 1954 Aug 26 - Assignment: Prime Crew.
AF flight 18. Murray attained 27584 m. Air Force then turned X-1A over to NACA.
- X-1B Flight 4 - - 1954 Oct 8 - Assignment: Prime Crew.
AF flight 3. First powered flight.
