STS-135 crew during Ingress/Egress Timeline training in building 9NW space station mockups

PHOTO DATE: 04-29-11 LOCATION: Bldg. 9NW - SSMTF SUBJECT: STS-135 crew during Ingress/Egress Timeline training in building 9NW space station mockups WORK ORDER: 01218-BS___04-29-11-STS135INGEG PHOTOGRAPHER: BILL STAFFORD

JSC2011-E-043693 (29 April 2011) --- A close-up view of the STS-135 crew members? signatures placed on hardware during an ingress/egress timeline training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA