Tell your nephew we thank him for his service. Without men like him we would not be free.

Here in Arizona we also have very hot dry weather, it was 110 yesterday. I do a lot of hiking in the heat. One of the best things I have found is to take a neckerchief and get it wet. Tie it around your neck. The evaporating water will cool you off. Also getting your hat wet helps. There is a product called cool bandanas. There are several brands. http://www.coolbandanas.com/ The crystals get cool when wet and stay that way for a long time. They have camouflage.