Marine Wing Support Squadron 273 (MWSS 273) is an aviation ground support unit of the United States Marine Corps

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

. They are based out of Marine Corps Air Station Beaufort

Marine Corps Air Station Beaufort

Marine Corps Air Station Beaufort or MCAS Beaufort is a United States Marine Corps air base located three miles northwest of the central business district of Beaufort, a city in Beaufort County, South Carolina, United States...

, South Carolina

South Carolina

South Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...

. The squadron falls under the command of Marine Wing Support Group 27

Marine Wing Support Group 27

Marine Wing Support Group 27 is a United States Marine Corps aviation combat service support unit based at Marine Corps Air Station Cherry Point that is currently composed of 4 squadrons, that provide the 2nd Marine Aircraft Wing and II Marine Expeditionary Force with complete airfield operation...

 and the 2nd Marine Aircraft Wing

2nd Marine Aircraft Wing

The 2nd Marine Aircraft Wing is the major east coast aviation unit of the United States Marine Corps and is based at Marine Corps Air Station Cherry Point, North Carolina...

.
Provide all essential aviation ground support to a designated fixed-wing component of a Marine Aviation Combat Element (ACE), and all supporting or attached elements of the Marine Air Control Group (MACG). This support includes: internal airfield communications, weather services, expeditionary airfield services, aircraft rescue and firefighting, aircraft and ground refueling, essential engineering services, motor transport, messing, chemical defense, security and law enforcement, airbase commandant functions, and explosive ordinance disposal.