That'd be like hauling around a television set! And the radio frequency interference would make a good homing signal for a smartbomb, not to mention a great way to screw up communications.

I'd rather use sterno to heat a meal, or go with a meal that doesn't have to be cooked at all. There are some pretty decent nutrient bars being sold at health food stores these days, but I don't know if they're still safe to eat after 3 years, or if they would be too expensive. I once tried a 35-cent box of macaroni & cheese, likely discount priced because it was on the shelf for so long... it was still crunchy after boiling in hot water for 15 minutes!

For high energy: Wheat is the most important food crop, edging out Soybeans as a dietary source of energy. Nearly all pastas & breads are made from wheat flour.

For strength & stamina: After processing Soybeans contain 40 percent protein per pound versus only 18% for beef or fish. It is cheap, and the USA grows two-thirds of the world's supply of Soybeans.

Fruit, fibre & vitamins: Seabuckthorn is one of the most nutritious fruits in existence, and can be made into jams & jellies with long shelf-life to provide flavoring and nutrition. Seabuckthorn tastes like pineapple. It's oils can also be made into sunscreen.