Bungie.net : Community : Forum Topic Listing : Forum Reply Listing zombies have taken over and this is your last resort go to the island were it all started and end this there is one missle left that can end the infection u must survive for 12 minutes one zombie however has followed u survive at all cost!!!! play with zombie nation in file share 5-14 playersi n order to help lock down the base use all three turrets and watch the sewers or suffer front door is deffended by falling fusion coils wich deploy evey 10 sec. map is blanced to work to both sides and once u get like 2 or 3 zombies things start happening pretty quick so run hide and be afriad of what lies inside also some intresting sights around the base oh ya the game type is located here
Bungie.net : Community : Forum Topic Listing : Forum Reply Listing zombies have average shields but head shot is instant death zombies are also fast and jump high too beware of swords and hammers
now for the pics discreptions are below picture

front gate two carbines

interrior room

front gate outside three fusion coils

garage and sewer entrance

second bunker entrance zombies can smash if they try

bunker hall enterior where some survivors camped out during raid flame thrower found here

sewer exit booby trapped

table and meeting place for miltary leaders now a stragic stand piont

armory a area by the garage spawn facing is blocked by pallet smash grab what u can and be ready

all gernades and power ups near base entrance be careful

turret 2 on base connecting to brige too sewers

turret 3 in main base on out crop
landing zone where ship crashed and zombie spawn

bunker entrance smashable with the zombies hammer

lab where first zombie was made

turret one in bunker on staircase

pics not loading correcly so heres the link to my gallery view the first 19 pics they're in order
Bungie.net : Bungie Online : Halo 3 Screenshots
and
Bungie.net : Bungie Online : Halo 3 Screenshots
sorry about this