Project Phoenix achieves milestone, delivers capability upgrade to existing AEDC facilities
A high-pressure air bottle is lifted and lowered into place in the J-5 test facility bottle farm, Aug. 26, 2021, at Arnold Air Force Base, Tenn. In the background at right, is the J-4 Rocket Engine Test Cell, which is currently inactive. (U.S. Air Force photo by Jill Pickett)