U.S. Navy Chief Construction Mechanic Jeffrey Niblo, with Underwater Construction Team (UCT) 2 Construction Dive Detachment (CDD) Alpha, attaches a zinc anode to an anchor chain at a work site at Naval Inactive Ship Maintenance Facility, Pearl Harbor, Hawaii, May 17, 2016.
UCT 2 CDD provided responsive inshore and underwater construction capabilities. (U.S. Navy photo by Mass Communication Specialist 1st Class Charles E. White) Original public domain image from Flickr