Then and Now: AEDC celebrates 73 years of exploring what ‘lies on the other side of the speed of sound’

During a June 25, 1951, ceremony at Arnold Air Force Base, Tenn., President Harry Truman draws aside the curtain to reveal a dedicatory plaque mounted to a granite rock. The ceremony was held to dedicate the Air Engineering Development Center as the Arnold Engineering Development Center in honor of Gen. Henry H. “Hap” Arnold. Pictured with Truman is Arnold’s widow, Bee. (U.S. Air Force photo)

PHOTO BY: Kali Bradford
VIRIN: 240620-F-F3405-1001.JPG
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