Thanks I have been playing it wrong.
one more question
I fire a AD4 Photon Torpedo. I roll a 3,4,5 and 6. the three misses, the 4 and 5 do 8 damage to the shields and the 6 does 4 damage to the hull. I then roll 4 dice to determine where i hit the hull and to see if i got any crits. is that right?