STS_135_FDF

NASA astronaut Sandy Magnus, STS-135 mission specialist, leans out around pilot Doug Hurley, left, to confer with commander Chris Ferguson (not pictured) as the crew of the final space shuttle mission participates in the STS-135 Flight Data File (FDF) review at the Johnson Space Center on Friday, June 24, 2011, in Houston. The review involves examining and annotating over 200 procedure books and cue cards that comprise all of the detailed technical steps that will be performed on during  the mission. ( NASA Photo / Houston Chronicle, Smiley N. Pool ).

JSC2011-E-059611 (24 June 2011) --- NASA astronaut Sandy Magnus, STS-135 mission specialist, leans out around pilot Doug Hurley, left, to confer with commander Chris Ferguson (out of frame) as the crew of the final space shuttle mission participates in the STS-135 Flight Data File (FDF) review at NASA?s Johnson Space Center June 24, 2011. The review involves examining and annotating more than 200 procedure books and cue cards that comprise all of the detailed technical steps that will be performed during the mission. Photo credit: NASA Photo/Houston Chronicle, Smiley N. Pool

Photographer Smiley N. Pool