For secrecy.
No only world war 2
nope i have the game and i have completed it and there is no codes]
on all gamesystems but Wii
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It was implemented constantly in WWII.
cant say its a secret.
it lead to world war 3
to send a message overseas.
well there are alot well there are alot
hedy lamarr
you need to be on the PC if you own call of duty world at war for PC go to youtube
they are included in the map packs in the PSN store