One-year crew lift-off success

NASA astronaut Scott Kelly and Russian Federal Space Agency (Roscosmos) cosmonaut Mikhail Kornienko will spend a year aboard the International Space Station.

Soyuz TMA-16M spacecraft launch on March 27, 2015

Soyuz TMA-16M spacecraft launch on March 27, 2015

Media photograph the Soyuz TMA-16M spacecraft as it launches to the International Space Station with Expedition 43 NASA astronaut Scott Kelly, Russian cosmonauts Mikhail Kornienko and Gennady Padalka of the Russian Federal Space Agency (Roscosmos) onboard.

Liftoff was at 3:42 p.m. EDT Friday, March 27, 2015 (March 28 Kazakh time) from the Baikonur Cosmodrome in Kazakhstan.

As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016.

The goal of the mission is to help scientists better understand how the human body reacts and adapts to the harsh environment of space.

Read more about the year in space for one American and one Russian

Deborah Byrd