TINIAN, Commonwealth of the Northern Mariana Islands (Oct. 6, 2020) Equipment Operator 2nd Class Jacob Mooney, deployed with the Seabee underwater construction capability of Task Force 75, takes a bathycorrometer measurement to assess corrosion on steel sheet pile during SCUBA operations in Tinian Harbor. CTF-75 is U.S. 7th Fleet's primary expeditionary task force and is responsible for the planning and execution of maritime security operations, explosive ordnance disposal, diving, engineering and construction, and underwater construction throughout the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Cole C. Pielop)