View of Mastracchio after a session of EVA in the A/L during STS-118/Expedition 15 Joint Operations

S118-E-06868 (11 Aug. 2007) --- As the mission's first planned session of extravehicular activity (EVA) draws to a close, astronaut Rick Mastracchio, STS-118 mission specialist, is photographed in the Quest Airlock of the International Space Station while Space Shuttle Endeavour remains docked with the station.