A Boeing B-47B Stratojet rocket-assisted takeoff (ATO). The black smoke from the engines indicates water-methanol injection is in use. 15 April 1954. (U.S. Air Force 061024-F-1234S-011)
1280px-Boeing_B-47B_rocket-assisted_take_off_on_April_15,_1954_061024-F-1234S-011