U.S. President Barack Obama smiles as cadet Cameron Welicka (L) of Woodbridge, Virginia, and his father, Cmdr. Valerian Welicka, celebrate at the U.S. Coast Guard Academy commencement exercises in Leamy Hall Auditorium in New London, Connecticut May 18, 2011. REUTERS/Larry Downing (UNITED STATES – Tags: POLITICS MILITARY IMAGES OF THE DAY)