180315-N-ON977-0019 APRA HARBOR, Guam (March 15, 2018) Navy Diver 3rd Class John Gerlicher, assigned to the Naval Base Guam Dive Locker, enters the water in Apra Harbor near Naval Base Guam. The dive was in support 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)