In 1990, in response to the Gulf War, ACU-1 was a first responder, acting to transport and unload cargo from Maritime Prepositioning Ships using LCM-8s.

Since the September 11 attacks, ACU-1 has operated outside of a strictly military role, providing humanitarian services and disaster relief.

On 28 February 1968, near Ocean View, Viet Nam, LCU 1500 was hit by a rocket, killing the Radioman.

[6] The most prevalent ratings at the command are Boatswain's Mates (BM), Enginemen (EN), Quartermasters (QM), and Undesignated Seamen (SN).

The LCU Division operates its LCUs which can make long deployments independently or aboard larger amphibious vessels such as LHDs and LHAs.