4th Marine Brigade (Reserve) became the 7th Marine Brigade January 2011
I. ACTIVATION
The 4th Marine Brigade (Reserve) was activated as a provisional unit of the Philippine Navy on 22 October 1996 pursuant to Section I General Order No. 229 ONA dated 21 October 1996 during the term of Vice Admiral Pio Carranza AFP as FOIC. PN. It was assigned to the Naval Reserve Command and placed under the operational control of the Commandant, Philippine Marine Corps.