150702-N-ZZ999-009 ABIDJAN, Cote d’ Ivoire Navy Diver 2nd Class Nate Johnson, assigned to Mobile Diving and Salvage Unit 2-4, demonstrates the use of a submersible Remotely Operated Vehicle for Cote d’Ivoire divers during a diving exercise in support of theater security cooperation July 2, 2015. U.S. 6th Fleet, headquartered in Naples, Italy, conducts the full spectrum of joint and naval operations, often in concert with allied, joint, and interagency partners, in order to advance U.S. national interests and security and stability in Europe and Africa.