Chief Construction Mechanic Jeffrey Niblo, with Underwater Construction Team (UCT) 2 Construction Dive Detachment (CDD) Alpha, prepares to descend down a mooring chain while performing maintenance and inspections at a work site at Naval Inactive Ship Maintenance Facility, Pearl Harbor, Hawaii, May 17, 2016. UCT 2 CDD provides responsive inshore and underwater construction capabilities. UCTCDD is assigned to Commander, Task Force (CTF) 75, the primary expeditionary task force responsible for the planning and execution of coastal riverine operations, explosive ordnance disposal, diving engineering and construction, and underwater construction in the U.S. 7th fleet area of responsibility. (U.S. Navy combat camera photo by Mass Communication Specialist 1st Class Charles E. White/Released)