Issued by the Soviet Union in 1977, this commemorative 4 kopeks stamp celebrates the 50th anniversary of DOSAAF (Volunteer Society for Cooperation with the Army, Aviation, and Fleet). The design features a bold red star with the DOSAAF emblem at its center, depicting crossed rifles, an anchor, and an airplane symbolizing military preparedness across land, sea, and air. Surrounding motifs include sports and technical imagery, highlighting the organization’s role in promoting physical training, technical education, and defense readiness among Soviet youth. The stamp’s patriotic red, blue, and gold palette underscores national pride and service.