JSC2011-E-046602 (21 May 2011) --- A group of guests in the viewing room of the Mission Control Center at NASA?s Johnson Space Center are pictured during a special call from Pope Benedict XVI (visible on the monitors) to the STS-134 and Expedition 27 crews on the International Space Station. The event was conducted from The Vatican at 6:11 a.m. (CDT) on May 21, 2011, and aired live on NASA television. Photo credit: NASA