At least one could boil water in the steel pot, over a piece of C4..
I found the sleeping bag puzzling, they knew they weren’t real, they didn’t work, but that was the issued bag.
At Ft. Lewis where it rained all the time , I gave up using a shelter half since you slept in water on the ground and even the part over your head didn’t really work, I would just sleep in the open with a steel pot to cover my face from the rain and lay in that wet sleeping bag freezing, waiting for the daylight.
Today they have real tents and manmade material sleeping bags that insulate when wet, and fleece clothing, and Gore-Tex, even polypropylene long johns instead of cotton.