Canteens (with water purification tabs in canteen cover pouch)
Canteen cup (inside 1 canteen pouch)
Cup Stove (inside another canteen pouch)
Mini-mag (or other small flashlight w/ extra batteries)
Small first-aid kit
Compass
Map of AO
Extra full mags for assault rifle/MBR
In butt pack:
1-2 stripped MRE's
Poncho w/ liner
Solid fuel for cooking(Hexamine, Trioxane, etc.)
2 pairs socks
More 550 cord (25-50')
Pocket-size water purifier (Katadyn Combi, etc.)
Several ways to start a fire (lighters, matches, Magnesium firestarter, Blastmatch, Mini-torch, etc)