The USS Crater (AK-70) was the lead ship of the Crater-class of converted liberty ship cargo ships in the service of the United States Navy in World War II. Named after the constellation Crater, it was the only ship of the Navy to bear this name. Clearing San Francisco 10 November 1942, Crater delivered cargo to Efate and Espiritu Santo, New Hebrides, and Nouméa, New Caledonia before arriving at Wellington, New Zealand, 28 June 1943 to repair and reload.