Military style also included cutting a strip from your Israeli bandage,& Rolling it full of Instant coffee&used coffee grounds that were saved/salvaged,tied up with thread,& pushed into your 1/2 full canteen with some thread hanging out,cap back on,& Shake the daylights out of it,Voila!You then had something other than boring water,to drink!I recall a few guy's adding Snuff to their concoction,to give it a Kick!