The Marines came under the Department of the Navy in 1834. However, they have always been associated with them prior to that time. Though the Marines fall under the Department of the Navy, they are considered a separate service branch and independent fighting force. The Navy and Marine Corps operate as separate branches under the Department of the Navy, each having their own Commanding Officers who in turn report directly to the Secretary of the Navy.
The USMC is under the Navy. The Navy is it's own branch.
USS Navy, USAF, Army , USMC
USMC
The Marine Corps is not senior to the Navy, nor is the Navy senior to the Marine Corps. The USMC is a branch of the US Military under the jurisdiction of the Navy. Basically, the Marines conduct landing operations on coastal areas, working WITH the Navy, who mainly stays on the ships and in the air. If however the question regards parade marching position, then yes, the Marine Corps does take precedence by tradition over the Navy.
The Navy's aviation branch is called Naval Aviation, or Naval Air Warfare.
Absolutely not - diabetes of any type is an automatic medical disqualifier for service in any military branch, not just the Navy.
The Navy
The executive branch
no
There is no specific branch of the military that exclusively undertakes the "craziest" missions. Each branch, including the Army, Navy, Air Force, Marines, and Coast Guard, has its own specialized units and missions that can be considered challenging or risky. The nature of the mission determines the level of complexity or danger, rather than being limited to a particular branch.
The Philadelphia Navy Yard.
in 1775 the marines were established to protect the navy when the British and the french attacked the naval ships