Ok. You're already in the action since I'd introduced Thumper as an NPC, and as Fate would have it, your initiative is presently up, so you can just jump in whenever you're ready. Make sure you're caught up to where we are now. Thumper just pulled the 'Ranger up behind cover, as you have been taking fire.
It looks like you haven't assigned your Human bonus edge yet; if that's true, might I recommend 'Ace'? It allows you to use your Driving skill to attempt to soak attacks against your vehicle. That's how he managed to negate the Missile hit you see in the first combat post.