Chief Hospital Corpsman Nathanael Warren, right, inspects the ears of Arnulfo Lopez after problems descending during diving operations.

PORT ROYAL, Jamaica (Jul. 27, 2011) Chief Hospital Corpsman Nathanael Warren, right, assigned to Mobile Diving and Salvage Unit (MDSU) 2, inspects the ears of Arnulfo Lopez after problems descending during diving operations. MDSU-2 is participating in Navy Diver-Southern Partnership Station, a multinational partnership engagement designed to increase interoperability and partner nation capability through diving operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Gregory N. Juday) File# 110727-N-KB666-387