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1st Marine Division
3d AA Bn Logo


The mission of 3d AA Bn is to land the surface assault element of the landing force and their equipment in a single lift from assault shipping during amphibious operations to inland objectives; to conduct mechanized operations and related combat support in subsequent operations ashore.

3d Assault Amphibian Battalion Leaders

LtCol D. R. Petronzio
Commanding Officer, 3d Assault Amphibian Battalion

LtCol Petronzio attended Officer Candidate school through the NROTC program after graduating from the Virgina Military Institute in May 2006.

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SgtMaj A. C. Gay
Sergeant Major, 3d Assault Amphibian Battalion

Sergeant Major Gay enlisted into the Marine Corps in the Delayed Entry Program on 16 December 1999. He reported to Marine Corps Recruit Depot San Diego, California in July 2000 for recruit training.

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1st Marine Division