I'd be sure to have chapstick, eye wash, a good gunshot/trauma kit, sunglasses, goggles and a few people back home to support me with small packages. A small flashlight that can be used to read with at night is a real help. Don't forget the extra batteries and bulb. The camelback is almost universal now, the Aussie's have one on issue to their people. Arranging for more reading material, snacks, batteries , hygeine items ,more socks, writing materials, etc to be sent would make things easier. Add a small container of laundry soap.