Col. Mark R. Stammer, commander of 1st Brigade, 82nd Airborne Division (Advise and Assist Brigade), watches a dust storm blow toward the Euphrates River and his UH-60 Black Hawk helicopter May 10, 2010, as he travels to the Western Euphrates River Valley Regional Security Conference in Hit, Iraq, the following day. Dust storms are common in Iraq's arid Al Anbar province.