Archambault and Phillips work to close shuttle airlock hatch

S119-E-008429 (25 March 2009) --- Astronaut Lee Archambault, STS-119 commander, closes the hatch on the middeck of Space Shuttle Discovery prior to undocking from the International Space Station to conclude almost 10 days of cooperative work onboard the shuttle and the station. Undocking of the two spacecraft occurred at 2:53 p.m. (CDT) on March 25, 2009.