U.S. Sen. Barbara Mikulski, D-Md., rear right, speaks to the crew of STS-125, during a televised phone call to the space shuttle, Thursday, May 21, 2009, in a Dirksen Senate office building hearing room on Capitol Hill in Washington. The crew of STS-125 is returning to earth after finishing repairs on the Hubble Space Telescope. Photo Credit: (NASA/Paul E. Alers)