Navy Petty Officer 2nd Class Nicholas Barcia-Dimeo, left, assists Lee Shannon, a marine ecologist with Naval Facilities Engineering Command Engineering and Expeditionary Warfare Center, as they monitor and document the progress of transplanted corals in Apra Harbor near Naval Base Guam, March 14, 2018. Barcia-Dimeo is a diver assigned to the Naval Base Guam Dive Locker. The transplant is part of an effort by the Navy to promote positive environmental stewardship throughout Joint Region Marianas. Navy photo by Petty Officer 2nd Class Alfred A. Coffield