Parazynski and Wheelock in the A/L following EVA 4

ISS016-E-009233 (3 Nov. 2007) --- Attired in their Extravehicular Mobility Unit (EMU) spacesuits, astronauts Scott Parazynski (left) and Doug Wheelock, STS-120 mission specialists; are pictured in the Quest Airlock of the International Space Station as the mission's fourth spacewalk draws to a close. Also pictured are astronauts Pam Melroy (center foreground), STS-120 commander, and Peggy Whitson, Expedition 16 commander.