The United States Navy

The United States Navy serves as a seaborne branch of the Military of the United States. 10 U.S.C. § 5062 prescribes the Navy's three primary areas of responsibility:
"The preparation of naval forces necessary for the effective prosecution of war"
"The maintenance of naval aviation, including land-based naval aviation, air transport essential for naval operations and all air weapons and air techniques involved in the operations and activities of the Navy"
"The development of aircraft, weapons, tactics, technique, organization, and equipment of naval combat and service elements".