[1] Clamp sailed from San Pedro, California, 30 September 1943 and after a brief period at Pearl Harbor, arrived at Funafuti, Ellice Islands, 8 November.

Clamp arrived at Iwo Jima 19 February 1945 and until 2 March was engaged in salvage work during the invasion and capture of that island.

Sailing to Leyte via Saipan, Guam, and Ulithi, she joined the salvage and repair group which cleared 21 March for the invasion of Okinawa.

She remained there until 6 March 1946, put out for Bikini Atoll where she had towing, diving, and demolition duties in connection with Operation Crossroads.

[2] Clamp departed the Suisun Bay Reserve Fleet on 23 May 2011 to be cleaned at BAE Systems San Francisco Ship Repair.

Her crew was eligible for the following medals and ribbons: As of January 2011[update], Clamp is laid up in the National Defense Reserve Fleet in Suisun Bay, Benicia, California.