Mark Kelly, astronaut and husband of Rep. Gabrielle Giffords (D-AZ), talks about his plans for the upcoming shuttle mission at the Johnson Space Center Feb. 4, 2011 in Houston, Texas. The Endeavour space shuttle commander plans to resume his training and take part in the mission, which is scheduled to launch on April 19. Rep. Giffords was shot in the head by a gunman at an appearance in Tucson, Arizona in January.