180316-N-ON977-0020 APRA HARBOR, Guam (March 16, 2018) Navy Diver 1st Class Jesse Stigibauer, right, assigned to the Naval Base Guam Dive Locker, assists Dr. Lee Shannon, a marine ecologist with the Naval Facilities Engineering Command Engineering and Expeditionary Warfare Center, as they monitor and document the progress of transplanted corals in Apra Harbor. The transplant is part of an effort by the Navy to promote positive environmental stewardship throughout Joint Region Marianas. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alfred A. Coffield/Released)