Hint on what the post was called?
The request sounds as if they were only willing to bring a very limited amount of help into the fray which wouldn't provide the full potential of productivity. I know they want to protect their content, just wondering if there's a way to allow anyone and everyone to assist and still keep their security.
No hint, but you can do a search for "Blender" and "rigging" and probably find it.
The idea is more complicated than it sounds. To do it right, or professionally, you will have to be able to:
1) Compile a list of combat poses according to HTC quidelines as well as details about mesh/quads/tris/polys/skin requirements
2) Motion capture (critical step) of combat poses in action
3) Utilize Mudbox (or similar) to create unique WWII characters
4) Model realistic uniforms and weapons from WWII to scale
5) Pin models and uniforms to characters and characters to rigging
6) Utilize FMX data from MOCAP to pin 3D character to
I'm still at least seven months out from a start point.