Altogether, the exercise involves approximately 400 personnel and 10 ships, including the U.S. Navy's littoral combat ship Tulsa, P-8A Poseidon multi-mission maritime patrol and reconnaissance aircraft from Task Force 72, along with personnel from Task Forces 73 and 76, and the Pacific and 7th fleets.
As the U.S. Navy's destroyer squadron forward-deployed in Southeast Asia, Destroyer Squadron 7 (DESRON 7) serves as the primary tactical and operational commander of littoral combat ships rotationally deployed to Singapore, functions as Expeditionary Strike Group 7's Sea Combat Commander, and builds partnerships through training exercises and military-to-military engagements.
Under Commander, U.S. Pacific Fleet, 7th Fleet is the U.S. Navy's largest forward-deployed numbered fleet, and routinely interacts and operates with 35 maritime nations in preserving a free and open Indo-Pacific region.
A coastal area.
Having a number to show that it is part of a series or list.
US Navy fleets are numbered odd in the Pacific or West, and even in the Atlantic or East.