Commander Rominger secures the airlock hatch on Endeavour's middeck during STS-100

STS100-337-010 (19 April - 1 May 2001) --- Astronaut Kent V. Rominger, STS-100 mission commander, floats near the airlock hatch onboard the Earth-orbiting Space Shuttle Endeavour. The airlock is the scene of important preparations and follow-up tasks for two scheduled space walks on the STS-100 mission.