Stock Photo - Johnson Space Center's (JSC) Acting Director Roy Estess (right) congratulates the Expedition Three crew on the stage in Hangar 990 at Ellington Field during the STS-108 and Expedition Three crew return ceremonies. From left to right are astronaut Frank L. Culbertson, Jr., mission commander, and cosmonauts Mikhail Tyurin and Vladimir N. Dezhurov, both flight engineers representing Rosaviakosmos. Seated is Nikolai Zubov, Deputy Director for Logistics and Procurement, Gagarin Cosmonaut Training Center, Star City, Russia. The STS-108 crew delivered the Expedition Four crew and supplies to the International Space Station (ISS) and brought the Expedition Three crew back to Earth.