San Marco 2 was a 66-cm-diameter spherical satellite with two experiments, one designed to make direct measurements of air density below 350 km, and the other an ionospheric beacon experiment developed to observe electron content between the earth and the satellite.
Low Earth OrbitSoyuz 1 was the first crewed flight of a Soyuz spacecraft, it carried the Soviet cosmonaut Vladimir Komarov to orbit. The mission goal was to rendezvous with Soyuz 2 and move crew members between the spacecrafts, the goal was not met due to Soyuz 2 launch being called off due to thunderstorms. Vladimir Komarov was killed when the parachutes of his Soyuz capsule failed during descent to earth becoming the first in-flight fatality of spaceflight.
Low Earth Orbit