STS-134 Orbit 1 flight controllers on console during AMS install

JSC2011-E-046799 (19 May 2011) --- Flight director Gary Horlacher (left) and John McCullough, chief of the Flight Director Office, monitor data at the flight director console in the space shuttle flight control room in the Mission Control Center at NASA's Johnson Space Center during STS-134 flight day four activities. Photo credit: NASA