A Haitian mother comforts her child at the Killick Haitian Coast Guard Base clinic as a member of the U.N. security team stands watch. Several U.S. military units, including the aircraft carrier USS Carl Vinson and Carrier Air Wing 17 are conducting humanitarian and disaster relief operations as part of Operation Unified Response after a 7.0 magnitude earthquake caused severe damage near Port-au-Prince Jan. 12, 2010.