In August 1950, Reserve Marines from MGCIS-17 mobilized for the Korean War and remained on active duty until reorganization of the squadron in October 1951.

In October 1951, MACS-17 began reorganization at NAS Willow Grove after reservists were released from active duty.

The 4th MAW experienced great change in 1962 when Marine Aircraft Group 43 was reactivated on 1 July along with Headquarters and Maintenance Squadron-43 (H&MS-43).

MATCU-73 was assigned to the 4th MAW and remained in New York until 1 November 1965, when it was reassigned to MAG-43 and transferred to NAS Willow Grove on 1 May 1967.

Members of MWSS-473, Det A were mobilized to MCAS New River, to support station operations while active duty personnel were deployed to Southwest Asia.

Individual members of MAG-49, reserve and active duty, mobilized to serve with various units in the Saudi Arabian desert.

HMH-772 mobilized shortly after the start of Operation Desert Storm in support of the Marine Corps' Unit Deployment Program (UDP).