Today's installment of the ELSEWHEN storyline indicates that DEPARTMENT H is not/was not intended to be a huge, public organization. Which is in line with the Byrne-era volume 1 ALPHA FLIGHT. Which makes sense to me/is plausible because people [i.e. (super-)villains] knowing who AURORA and Heather and Walter are would spell bad news for them and their relatives. Very bad news.