The criminal Arthur Duncan asks Ray "Where do you guys keep the donuts?" and Ray replies "That's the USO." Actually, the Salvation Army itself has a long history of serving donuts, from WWI to today.
Barney's cellmate requests a copy of the October 8, 1943 issue of Life Magazine, claiming he was on the cover. In 1943, Life Magazine was issued on October 4 (with Ambassador Anthony Biddle on the cover) and October 11 (with a woman modeling a "half hat").