From her home port at Long Beach, where she first arrived 21 July 1954, Engage operated in mine warfare and general training along the west coast, preparing for her deployments to the Far East in 1955–56, 1958, and 1960.

Eventually all the supply routes at sea became non-existent, which forced the North Vietnamese to use the Ho Chi Minh trail.

The last provision of the Vietnam war cease-fire agreement that directly related to the Navy entailed removal of the U.S. sea mines laid along the North Vietnamese coast and the Mark 36 Destructors dropped into inland waterways.

On 6 February, one day after Commander Task Force 78 met in the city to coordinate actions with his North Vietnamese opposite, Colonel Hoang Huu Thai, Operation End Sweep got underway.

After decommissioning, Engage (ex-MSO-433) remained in the Philadelphia inactive ships facility until delivered to Baltimore Marine.