Ventar Field Collapser
The Ventar Field Collapser is a Planetary Artifact that you can get from the mission Slip-Field Debris, but you have to complete a mini-game first.
Planetary Artifact Effects: Artifact 1 Research 2 Cloak %10 Size: 1 Activated ability (2 Charges) Field Collapse (+70 Attack for one month) (Limit one per planet) Scrap Value (ea): 1-2 Complex tech parts.
Sorry but thats the best picture I could get.