Premise: USNS "Lone Jack" (T-AO-161) was a type Type T2-SE-A1 tanker laid down under Maritime Commission contract (USMC number 1783) by the Sun Shipbuilding & Dry Dock Co. of Chester, Pennsylvania (hull number 450) on 11 July 1944. The ship was launched on 21 October 1944, sponsored by Mrs. Julia W. Bruwier, and delivered to Cities Service Oil Co. of New York City on 31 October 1944.
Hypothesis: "Lone Jack" retired in 1950.