Soyuz 13 was a Soviet space mission launched on January 18, 1974. The spacecraft carried two cosmonauts, Petr Klimuk and Vitaly Sevastyanov, into orbit around Earth. The mission lasted for 5 days, during which the crew conducted scientific experiments and observations. During the mission, Soyuz 13 achieved a maximum altitude of 300 kilometers. The crew successfully completed their objectives, including testing new equipment and studying the effects of space on the human body. The mission concluded with a safe landing on January 22, 1974, marking another achievement for the Soviet space program.