The Legislative Branch (U.S. Congress), by powers given to them under the Constitution, is the branch of government that is empowered with providing for and maintaining the Navy. As Commander in Chief, the President commands/directs all military operations, but it is the Congress which keeps the Navy and Marine Corps (the Marines are a part of the Navy Department) operating.
The USMC is under the Navy. The Navy is it's own branch.
The Navy's aviation branch is called Naval Aviation, or Naval Air Warfare.
The Navy
The executive branch
no
the navy branch
The executive branch
The Chinese Navy are a branch of military which work for the Chinese government. Like most navies, the Chinese Navy is their branch which specializes on sea missions.
Navy
The legislative branch.
Navy Nurse Corps.
The legislative branch.