USSR. Civil aviation. by Socialism Expo. on Flickr.
Via Flickr:
Tupolev Tu-144 supersonic passenger airliner. 1 February 1969. RIA Novosti archive, image #566221, visualrian.ru/ru/site/gallery/#566221
Author, Lev Polikashin. Permission, commons.wikimedia.org/wiki/Commons:RIA_Novosti