User blog comment:Zombiehunter115/New Map Pack/@comment-4233120-20130519185835/@comment-1045586-20130519191134

This Tranzition thing is absolute garbage. The usage of a Z over an S would imply it's a Zombies map pack (Rezurrection), but it isn't.

Insurgent, however, I do believe. It matches the theme of the preceeding map packs (Revolution, Uprising, Insurgency)m and actually has sensible map names.