Mission Specialists Jerry Ross and Steven Smith are happy to be back on Earth after a mission to the International Space Station.

STS-110 Mission Specialists Jerry Ross (left) and Steven Smith (right) are happy to be back on Earth after a successful mission to the International Space Station. Atlantis landed on KSC's Shuttle Landing Facility after 171 orbits, completing a 10-day, 19-hour, 4.5-million mile journey. Main gear touchdown was 12:26:57 p.m. EDT, nose gear touchdown was 12:27:09 p.m. and wheel stop was 12:28:07 p.m. The crew delivered and installed the S0 truss, which will support cooling and power systems essential for the addition of future international laboratories, on the Station