Photos: Astronauts return from a year in space

International Space Station (ISS) crew member Mikhail Kornienko of Russia is seen inside the Soyuz TMA-18M space capsule after landing near the town of Dzhezkazgan (Zhezkazgan), Kazakhstan.

Ground personnel help International Space Station (ISS) crew member Sergey Volkov of Russia to get out of the Soyuz TMA-18M space capsule after landing near the town of Dzhezkazgan, Kazakhstan, on Wednesday, March 2, 2016.

From L: Russian cosmonauts Mikhail Kornienko and Sergei Volkov and US astronaut Scott Kelly rest in chairs outside the Soyuz TMA-18M space capsule after they landed in a remote area outside the town of Dzhezkazgan, Kazakhstan, on March 2, 2016. US astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko returned to Earth on March 2 after spending almost a year in space in a ground-breaking experiment foreshadowing a potential manned mission to Mars. AFP PHOTO / POOL / KIRILL KUDRYAVTSEVKIRILL KUDRYAVTSEV/AFP/Getty Images ** OUTS - ELSENT, FPG, CM - OUTS * NM, PH, VA if sourced by CT, LA or MoD **  (Kirill Kudryavtsev / AFP/Getty Images)