The second USS Altair (AK-257) was a United States Navy Greenville Victory-class cargo ship in commission from 1952 to 1953. She was converted into a general stores issue ship (AKS-32) in 1953 and was in commission as such from 1953 to 1969, seeing extensive service during the Cold War. Prior to her U.S. Navy career, she had operated as the merchant ship SS Aberdeen Victory during the latter stages of World War II.