What is perhaps the most unusual and significant ration experiment in military history has just been concluded by the U.S. Army at their Camp Topside, high in the Tarryall mountains of Colorado for eight weeks, men of Science and those wise in the ways of war teamed up with 900 GI "guinea pigs" in an undertaking termed the Ration Acceptability Test. Officially encouraged to let down their short cropped hair and gripe to their hearts content, the GI's let the Army know that the New C Rations topped the preference list followed by the K 10 in 1 a ration requiring more preparations than the K and packaged for ten men, and the Canadian mess tin ration which is not issued to our men. Photo shows GI's climb a rocky mound on one of their 25 mile marches, which sometimes took them over rocky mountains tops 12,000 feet high.

Photo is dated 1944.

Photo measures 9 x 7.25 inches.