U.S. Army Staff Sgt. Chad Caldwell, 24, from Spokane, Wash. , plays golf as his comrades from K Troop, Third Squadron, Third Armored Cavalry Regiment, look on at Combat Outpost Rabiy in Mosul, Iraq Tuesday, March 25, 2008. The northern city is considered by the U.S. military as the last urban stronghold for al-Qaida in Iraq.