The second USS Antares (AK-258) was a United States Navy Greenville Victory-class cargo ship in commission from 1952 to 1959. She was converted into a general stores issue ship (AKS-33) in 1959-1960 and remained in commission as such until 1964. She saw extensive service during the Cold War. Prior to her U.S. Navy career, she had operated as the merchant ship SS Nampa Victory during the latter stages of World War II and in the years immediately after the war.