Just attack. The interrupt specifies, "Interrupt: Make an attack with an enemy against an acting commando." It doesn't say perform a combat activation. So all you get is an attack.
Also, it's not just one adrenaline for the combat action, it's whatever the adrenaline cost is for that enemy. Only the Clones have a 1 Adrenaline activation cost. All the other enemies are 2 or 3.
So I musy pay for Surprise Attack twice firstly to use dashboard ability and twice to activate enemy?
Can I make also range attack?