Dates of the 8 Air Force powered flights leading up to breaking the sound barrier
- 1st powered flight: 29 Aug 1947
- 2nd powered flight: 4 Sep 1947
- 3rd powered flight: 8 Sep 1947
- 4th powered flight: 10 Sep 1947
- 5th powered flight: 12 Sep 1947
- 6th powered flight: 5 Oct 1947
- 7th powered flight: 8 Oct 1947
- 8th powered flight: 10 Oct 1947