Maby this isn't a bug but some special attacks of untis can not be activated in the ZC campaign. For example, the Merciless (Zann's ship) is supposed to have a cloaking filed but I can only use the Superblast-thing... Also some special attacks of other ZC ships can not be activated in campaign.
With the ZC you'll need to purchase special abilities on the black market.
Okay...Yeah that makes sense...but what aboiut some special abilitys? I have buyed the disruptor rifle but what unit can use this?
The mercenary assault squad automatically uses disruptors after you've bought the tech (you don't need to activate an ability) - makes them much better vs. Empire tanks :)
When you're looking at the Purchase Black Market Technology menu, you'll see the unit(s) that are able to use the special ability you are looking at on the bottom left of the black market tech purchase screen.
Gee thanks dodn't know that