Astronauts Dunbar and Thagard in Spacelab

STS071-758-009 (27 June - 7 July 1995) --- Astronaut Bonnie J. Dunbar, mission specialist, floats about in the Spacelab Science Module as astronaut Norman E. Thagard looks on. Thagard, Mir-18 guest cosmonaut researcher, had completed four months in space aboard Russia's Mir Space Station. When this photograph was taken he was undergoing a battery of tests and data collection exercises on Spacelab, onboard the Space Shuttle Atlantis. Dunbar had served as his Mir-18 backup, during a year's training in Russia.