: Only scenario listed on Traxus that sounds like it'd be WW2-based is this
: one: http://traxus.bungie.org/index.php/D-Day If that's not it, then I
: dunno which one you have in mind.
The map itself wasn't WW2. The bunker used as a stronghold for the Phfor, that you have to infiltrate was based on a real life bunker. IIRC there were some secret consoles that showed actual pictures of the real thing that the designer used to make the level.
The idea was to infiltrate, kill everything, then flood it and escape. Which wasn't easy because at the exit a lot of badguys spawned.
It was a really cool idea and I wish I could remember it.