A pattern of multi-colored and multi-dimensional trianglesA pattern of multi-colored and multi-dimensional triangles
A black-and-white photograph of a crew of sailors standing on a submarineA black-and-white photograph of a crew of sailors standing on a submarine
Figure of the soviet-6o ka-27 anti-submarine helicopterFigure of the Soviet-6O ka-27 anti-submarine helicopter
Marine anti-submarine patrol aircraft is preparing for takeoffMarine anti-submarine patrol aircraft is preparing for takeoff