160514-N-SF508-036 PANAMA CITY, Fla. (May 14, 2016) —Engineman 2nd Class Jonathan Lavoie (left) and Aerographer’s Mate 1st Class Christopher Kyall (right), assigned to Mobile Diving and Salvage Unit 2 (MDSU) Unmanned Systems Platoon 204, load a Mark 18 Mod. 2 unmanned underwater vehicle onto a rigid-hull inflatable boat during an Expeditionary Mine Countermeasure (ExMCM) certification exercise at Naval Support Activity Panama City, Fla.(U.S. Navy photo by Mass Communication Specialist 2nd Class Charles Oki/Released)