Another thought, since an army travels on it stomach.

How about C, D and K rations and 10-in-ones?

Seems like every first person account I have read regarding Soviet armies, the men spent an inordinate amount of time trying to secure food. If the field kitchen didn't show up, there was nothing to eat except what could be scrounged or saved. The Germans apparently had a similar problem especially later in the war and while on the move, as did the Japanese. What about the Brits and Commonwealth forces, did they have prepackaged food along the lines of the U.S. Army Field Rations?

That little can opener deserves some merit also, does it not?

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Best Regards,
JW