52e

Boeing B-52F takeoff. Note the AGM-28 Hound Dog missiles loaded on the inboard wing pylons. The B-52F was an updated version of the B-52E. The major improvement was to the powerplants. A total of 89 F models were built and the first F model s/n 57-0030 flew on May 6, 1958

(U.S. Air Force photo)