NAVAL STATION ROTA, Spain (April 2, 2015) Equipment Operator 1st Class Thomas Irvin, assigned to Naval Mobile Construction Battalion (NMCB) 11, operates a skid tteer loader to remove material for the equipment calibration complex project. 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. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael C. Barton/Released)