AL ASAD — A Marine on the ground in Iraq needs to be able to count on a friend or two. He has the Marine to the right, but he also has Marines flying a few thousand feet over head that he can count on. The Marines of Marine Attack Squadron 231, known as the “Ace of Spades,” are making sure they do everything they can to provide the Marines outside the wire with the close air support they need. Flying AV-8B “Harriers,” the Aces have been supporting their fellow Marines since they arrived aboard Al Asad in the middle...