R-5-4-razvedchik.jpg
en
R 5 4 razvedchik, Unidentified locations in the Soviet Union, Black and white photographs of aircraft, Polikarpov R-5
commons
ja
R 5 4ラスヴェドチク、ソビエト連邦の未確認飛行場所、航空機の白黒写真、R-5
commons_translated