U.S. Navy Petty Officer 1st Class Zac Cunningham, left, uses a piece of plastic to protect a computer from rain during a multinational survey operation off the coast of Dubrovnik, Croatia, Oct. 31, 2013. Members of U.S. Navy Underwater Construction Team 1 and Explosive Ordnance Division Mobile Unit 1 worked with navy divers and special police from Croatia, Montenegro and Slovenia to find and map underwater unexploded ordnance. On the boat with Cunningham are Croatian navy Chief Petty Officer Lisnjic, Senior Chief Petty Officer Listes and Petty Officer 1st Class Stankovic and two other U.S. Sailors.