The year is 1953. Site-13 is running modern body armor hasn't been invented yet MTF units or SD guards are usually armed with gas masks small ammo rigs. Beta-7 has gas masks and hazmat suits. You are a MTF unit armed with a M16 a gas mask helmet boots gloves a ammo rig a jacket and some tight pants with pouches on them. You are sent to patrol around the outside avoiding any CI which has around the same gear as you accept patches.