The Gerber is favored well over the Leatherman, past or present. SOG and Schrade make still better ones, though I've ruined a Schrade.

A simple pair of 6 inch Vise-Grip locking pliers is handy too.

Camelbaks are often issued overseas now, I have four of them from my trips. Make sure your deployed folks have the little cleaning kits for them (incl. a brush that reaches through the long tube) and replacement bite valves. Sanitizer in single-use packs are needed too.

If your deployed folk are farther back from the action, they can use a heavy-duty stapler and staples, or even a half-kilo of drywall screws. The commercial nails over there suck. Even at a rearward logistics base, these things will be in short supply.