I believe that Deathrain will still want to drop bombs forward and not bother to get away that much. Think about it. PS 6 pilot can move forward and drop a Proton Bomb on a Tie Swarm. Yes, you take the hit, but you just put a crit on a whole lot of enemy Tie Fighters.
How do you drop a Proton Bomb after you move?
They get dumped when you reveal your dial.