U.S. Navy Petty Officer 2nd Class Steve Vanzant (left), with Mobile Diving and Salvage Unit 2, explains the components of a KM-37 dive helmet to Mexican navy divers on the salvage ship USNS Grasp (T-ARS 51) in Veracruz, Mexico, on July 13, 2010. Mobile Diving and Salvage Unit 2 took part in Navy Diver-Southern Partnership Station, a multinational partnership engagement designed to increase interoperability and partner nation capacity through diving operations.