The shelf-stable pocket sandwich gives soldiers a portable ration that they can eat on the go. Bob Reinert/U.S. Army hide caption
Army Army
Buildings on the Yale University campus. Christopher Capozziello/Getty Images hide caption
The shelf-stable pocket sandwich gives soldiers a portable ration that they can eat on the go. Bob Reinert/U.S. Army hide caption
Buildings on the Yale University campus. Christopher Capozziello/Getty Images hide caption