I don't know if I'm playing this right, but for Mission 5 I played it as follows:
- First the grey's energy shield absorbs hits
- If there are hits left over, the grey does a defense roll
- If the roll fails to defend against any damage, it is redirected to another alien (which suffers the damage, so no defense roll)
- If there wasn't an alien to redirect the damage to and the grey takes one or more wounds while also rolling a bolt, then the fore field activates and the agent suffers wounds
I think that's probably all correct based on how attack defense works otherwise, except possibly the force field (since my interpretation is not as cruel towards the agents as the alternative). I'm dreading Agent S coming in here and clarifying that force field triggers even if the damage is redirected.