COVER CONCENTRATION U.S. Marine Corps Lance Cpl. Alexander Urias provides fire cover for a CH-53E Super Stallion helicopter during Cobra Gold, a training exercise on a range in Samesan, Thailand, Feb. 13, 2011. The multinational exercise is designed to ensure regional peace and stability. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 977764-O-NWW25-839.jpg Photo Gallery