2 × quad 40 millimetres (1.57 in) Bofors anti-aircraft (AA) guns USS Amycus (ARL-2) was one of 39 Achelous-class landing craft repair ships built for the United States Navy during World War II.

4, Richmond, California; launched on 2 April 1943; delivered on 3 June 1943, to the Matson Navigation Company, San Francisco, for conversion to a landing craft repair ship; and commissioned on 30 July 1943.

[3] Amycus conducted shakedown training along the California coast before departing San Diego on 20 September 1943, and heading for the South Pacific to join the Service Forces of the US 7th Fleet.

She reached that base on 3 May, and assumed duty as a repair ship and the flagship of the landing craft control officer.

The ship remained in Humboldt Bay through the summer and autumn carrying out repair and tender services for various landing craft.

Shrapnel from the explosion killed three and wounded nine crew members and caused minor damage to the repair ship's hull.