Discovery Commander Pam Melroy talks with Michael Griffin and his wife Rebecca Griffin landed at NASA's Kennedy Space Center.

Space shuttle Discovery Commander Pam Melroy talks with NASA Administrator Michael Griffin and his wife, Rebecca Griffin, shortly after Melroy and the crew of STS-120 landed at NASA's Kennedy Space Center in Florida. Discovery landed at 1:02pm EST Wednesday after a mission that included on-orbit construction of the station with the installation of the Harmony Node 2 module and the relocation of the P6 truss. Photo Credit: 'NASA/Bill Ingalls"