Develop Radiosport USSR DOSAAFOriginal vintage Soviet propaganda poster issued by DOSAAF (the Volunteer Society for Cooperation with the Army, Aviation, and Navy) Boys and girls! Persistently study radio engineering and radio communication in radio clubs and DOSAAF circles! Develop radio sports! featuring great artwork depicting a boy and girl wearing headphones as they adjust a radio set against a pale background in front of the DOSAAF logo with the text in black letters on the