Yeah that would be a terrible idea. If it self activated during a patrol would be an absurd risk for little benefit. This requires water to be deliberatly added.
I make my own MRE's I am dehydrating 4 cans of watered Tuna some powdered down veggies And spices Along with dehyrated veggies And rice ...But i have about 9 diffrent menu items so far ...I wonder how long these Hot packs last And how hot they get