eli5: Why does the US Military have airplanes in multiple branches (Navy, Marines etc) as opposed to having all flight operations handled by the Air Force exclusively?

Question

eli5: Why does the US Military have airplanes in multiple branches (Navy, Marines etc) as opposed to having all flight operations handled by the Air Force exclusively?

In: Other

Answer 1

The aircraft of each branch are focused on their mission sets

Put simply via example:

Navy jets land on carriers

Army helicopters support ground forces for direct action or casevac

Air Force jets project strategic power like B2s or B52s

Marine jets and helis support ground forces