Bravo Co., 4th Assault Amphibian Battalion

U.S. Marines with Company B, 4th Assault Amphibian Battalion, Marine Forces Reserve, stand in formation during a sundown ceremony for the assault amphibious vehicle, Jacksonville, Florida, August 9, 2026. The ceremony formally decommissioned the AAV, ending over half a decade of service as the Marine Corps’ primary ship-to-shore vehicle. The AAV’s retirement paves the way for future amphibious operations as the Marine Corps transitions to the new amphibious combat vehicle. (U.S. Marine Corps photo by Cpl. Van Hoang)

U.S. Marines with Bravo Company, 4th Assault Amphibian Battalion, conduct squad attacks during Intrepid Maven 23.4, July 5, 2023. Intrepid Maven is a bilateral exercise between U.S. Marine Corps Forces, Central Command, and the Jordanian Armed Forces designed to improve interoperability, strengthen partner-nation relationships in the U.S. Central Command area of responsibility, and improve both individual and bilateral unit readiness. (U.S. Marine Corps Photo by Cpl. Jonah White)