AERIAL VIEW — U.S. Marine Corps Sgt. Keith F. Diehl, an aerial observer assigned to Marine Medium Helicopter Squadron 261 (Reinforced), keeps watch over the Euphrates River during a flight near Hit, Iraq, Jan. 17, 2006. The squadron is the aviation combat element for the 22nd Marine Expeditionary Unit (Special Operations Capable). U.S. Marine Corps photo by Sgt. Richard D. Stephens