Expedition 30 Commander Dan Burbank, center, is attended to by his doctor and crew support personnel following his landing in the Soyuz-22 spacecraft, Friday, April 27, 2012. NASA Astronaut Burbank, Russian Cosmonauts Shkaplerov and Ivanishin are returning from more than five months onboard the International Space Station where they served as members of the Expedition 29 and 30 crews. Photo Credit: (NASA/Carla Cioffi)