PORT-AU-PRINCE, Haiti (Jan. 20, 2010) Earthquake victims use tents, tarps and other materials for shelter in Leogane, Haiti. U.S. and international military units and civilian aid agencies 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 on Jan. 12, 2010. 10HE0120-M-8752R-003 (USMC)