In the northwest Pacific Ocean, the Philippine Sea is east and north of the Philippines. It contains the deepest part of all the oceans, the Marianas Trench. It contains several island groups besides the Philippines, such as the Mariana Islands.
During the Second World War, the Battle of the Philippine Sea, also known as the Marianas Turkey Shoot. A cruiser of the U.S. Navy's Ticonderoga-class, the USS Philippine Sea, is named for the battle.