Attached to the 24th Air Expeditionary Group, Airmen from the U.S. Air Force Air National Guard's 190th Civil Engineering Squadron, Topeka, Kan., construct tents on Jan. 28 at the Troussaint Louverture International Airport, Haiti, during Operation Unified Response. Department of Defense assets have been deployed to assist in the Haiti relief effort following a magnitude 7 earthquake that hit the city on Jan. 12.