Soviet space dogs after their rocket exploded 28.5 seconds into the launch on 28 July 1960. Bars was also known as Chayka (Чайка, "Seagull"). Other dogs that flew on sub-orbital flights include Dymka (Дымка, "Smoky"), Modnitsa (Модница, "Fashionable") and Kozyavka (Козявка, "Little Gnat"). At least four other dogs flew in September 1951, and two or more were lost. Laika (Лайка, "Barker") became the first living Earth-born creature (other than microbes) in orbit, aboard Sputnik 2 on November 3rd, 1957. Some call her the first living passenger to go into space, but many sub-orbital flights with animal passengers passed the edge of space first.
Vostok programme other biological specimens such as mice, insects, and strips of human skin. This mission was successful, and Belka and Strelka became the first living beings recovered from orbit. The spacecraft was only the second object ever to have been recovered from orbit, the first being the return capsule of the American Discoverer 13 the previous week. During the mission there was some concern for Belka and Strelka's health, after images of Belka vomiting had been obtained from the onboard cameras. The spacecraft and dogs were recovered following the 26-hour spaceflight, and extensive physiological tests revealed that the dogs were in