25 years of manned spaceflight - Germany / German Democratic Republic 1986 - 50 Pfennig

25 years of manned space flight, issue 1986 On the occasion of the "International Aerospace Day", the Ministry of Post and Telecommunications of the German Democratic Republic issued four multicolored special postage stamps in sepia No special First Day Cover Special cancellation from 25th March to 24th May 25th Years of manned space flight On April 12, 1961, the first man on earth, the citizen of the Soviet Union, the Communist Yuri Gagarin, flew into the cosmos, opening the era of manned space travel, and since then, this day has been called the International Day of Air and Space 50-pfennig value: Joint space flight USSR-GDR So far the climax of the participation of the GDR in the exploration and use of the cosmic space within the program "interkosmos" socialist countries was the first joint space flight USSR-GDR with the flying cosmonauts of the USSR, Commander Colonel Valery By kowski and the flying cosmonauts of the GDR, research cosmonaut Lieutenant Colonel Sigmund Jähn, from August 26 to September 3, 1978. On the orbital complex Soyuz 31 / Salut 6 / Soyuz 29 S. Jähn led together with the three Soviet cosmonauts (crew of Salut 6 W. Kowaljonok and A. lwantschenkow) 22 different scientific experiments in the field of remote sensing of the earth, cosmic material sciences as well as biology and medicine under conditions of weightlessness. During the almost 189 hours of flight W. Bykowski and S. Jähn circled the earth 125 times.