Answer;
-United States Marine Corps
Step-by-step explanation;
-The USMC is the service that conducts security and stability operations and assist with the initial establishment of a military government pending transfer of this responsibility to other authority.
-Other roles include;
-Providing security detachments and units for service on armed vessels of the Navy, provide protection of naval property at naval stations and bases, provide security at designated U.S. embassies and consulates, and perform other such duties as the President or the Secretary of Defense may direct.
-Also conducting amphibious operations, including engagement, crisis response, and power projection operations to assure access. The Marine Corps has primary responsibility for the development of amphibious doctrine, tactics, techniques, and equipment.