U.S. Navy Diver 2nd Class Ramon Mercado, middle ground, helps Navy Diver 1st Class Christopher Carrington adjust his Mk 20 diving mask prior to a dive in Mina Salman, Bahrain, March 2, 2011. The dive is in support of a cofferdam installation operation to conduct hull repair on the mine countermeasures ship USS Scout (MCM 8). Carrington is assigned to Mobile Diving and Salvage Unit (MDSU) 2.