I keep a sachet of Stay Alert Gum along with a First Strike Bar, from a First Strike Ration, in the same pouch as my PKS attached to my body armor (IBA). Stay Alert Gum is great for those early morning flights along with those days that never seam to end, when a hot cup of coffee in nowhere to be found.

Cheers,
W-W
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To the last, I grapple with thee; From Hell's heart, I stab at thee; For hate's sake, I spit my last breath at thee.