Lol I bet u can't guess what my homepage is.
Realistically, emergency biofoam, medkit, ammo, emergency rations, emergency magnum from halo CE, something important to him to give him hope, a condom, he does have a knife but its on his leg, another radio tracking device thingy incase the one on his helmet gets shot, a lighter and some cigarettes/cigars, C4, and a dropshield/regenerator thingy.