White object in the center-right of the photo is a live 81 mm illumination round that went through Oakes' poncho and landed between his head and the Gunnery Sgt's head during a night firing in a rain storm.
Platoon ordnance load for a single patrol. Consists of: machine gun ammo, hand grenades, M-16 ammo, M-79 ammo, smoke grenades, LAWs (Light Anti-Tank Weapons), and claymore mines.