Napoleon said it earlier "An army moves on its stomach".
Those logistics are more important than specific weapons systems.
/johnny
3,600 cals per day for paratroopers in moderate climes.
In Alaska, 4,800 + 6 large chocolate bars.
And if you don’t eat all of it, you will freeze to death.
(The only time we actually got three C-rats a day was in AK - then we got four, plus the chocolate. Thaw out the food, eat, thaw out some more, eat, ...)