Naval Base Guam is a strategic U.S. naval base located on Apra Harbor (near pacific ocean), Guam. In 2009, it was combined with Andersen Air Force Base, to form Joint Region Marianas, which is a Navy-controlled joint base.The Ship Repair Facility, Guam, was located next to Naval Base Guam, along Apra Harbor. It was closed in 1997, due to the recommendation of the 1995 Base Realignment and Closure Commission.Naval Base Guam is home of Commander Submarine Squadron 15, Coast Guard Sector Guam and Naval Special Warfare Unit One and supports 28 other tenant commands. It is the home base to dozens of Pacific Command, Pacific Fleet, Seventh Fleet, and Seabee units.Units of Submarine Squadron 15 stationed at Guam include,, and. USS Frank Cable (AS-40) is stationed in Guam to tend the submarines of the Seventh Fleet, and the USS Emory S. Land (AS-39) changed from Naval Support Facility Diego Garcia to Naval Base Guam to fulfill the same role.