The Commonwealth Navy Self Defence Force is the Naval Arm of the Commonwealth Self Defence Forces . The Navy holds all of the Commonwealths Naval Forces, including the country's Frigates, Air Craft Carriers, and the Naval Air Force. The Commonwealth Navy is dutied with protecting the countries waters, from the countries main enemies, and are dutied to aid in any evacuation or emergency situation if not otherwise occupied. The Navy is not deployed abroad, and instead used as a deterrant and homeland security force.