Soyuz 22 (Russian: Союз 22, Union 22) was a 1976 Soviet manned spaceflight. It was an Earth-sciences mission using a modified Soyuz spacecraft, and was also, some observers speculated, a mission to observe NATO exercises near Norway. The spacecraft was a refurbished Soyuz that had served as a backup for the Apollo-Soyuz Test Project (ASTP) mission the previous year. Cosmonauts Valery Bykovsky and Vladimir Aksyonov spent a week in orbit photographing the surface of the Earth with a specially-built camera.