Former astronaut Capt. Mark Kelly speaks during the United States Merchant Marine Academy commencement exercises in Kings Point, N.Y., Monday, June 18, 2012. Kelly, who is an alumnus of the academy, referenced his wife, former Arizona Congresswoman Gabrielle Giffords, during the speech. Kelly said that he and Giffords have dedicated their lives to public service and urged the graduates to do the same. (AP Photo/Seth Wenig)