151206-N-JD834-022 SUBIC BAY, Philippines (Dec. 6, 2015) Capt. Mark A. Prokopius, right, commanding officer of the submarine tender USS Emory S. Land (AS 39), watches the Los Angeles-class attack submarine USS Tucson (SSN 770) as the sub prepares to moor alongside the ship. Emory S. Land and Tucson’s visit to the Philippines continues the U.S. Navy’s ongoing commitment to theatre security, cooperation and friendship with local partner navies. (U.S. Navy photo by Mass Communication Specialist 3rd Class Michael Doan/Released)