31 December 1968. First flight of the Tupolev Tu-144 'Charger'

31 December 1968. First flight of the Tupolev Tu-144 'Charger', Soviet supersonic transport aircraft and world's first supersonic transport aircraft to fly. It remains one of only two SSTs to enter commercial service. pic.twitter.com/FXyWz9Xz7f

— Ron Eisele (@ron_eisele) December 31, 2017