150402-N-OR477-014 NAVAL STATION ROTA, Spain (April 2, 2015) Builder 2nd Class Robert Thibodeau, assigned to Naval Mobile Construction Battalion (NMCB) 11, adjusts surveying equipment for the equipment calibration complex project April 2, 2015. Using an optical level will make sure the grade of the construction site drains water run off properly. 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)