Observing the antics in the rec room has Brother Lars realize that his preaching appears to be rusty.
Practice preaching to the crowd, going over the central tenets of the Gazer*.
*Personal introspection, observing the world around you, self-knowledge, and doing as divinely commanded for the main ones.
[speech:6]
"HEY ASSHOLES! YOU BETTER LISTEN TO THE GAZER AND BE ALL INTROSPECTIVE AND SHIT OR I AM GONNA EMBED MY FOOT SO FAR INTO YOUR COLON THAT YOU'RE GONNA BE VOMITING DIVINE HAPPINESS!"
((Also, something from the OP drew my eye:
>Combat oriented
We've had, what, one mission that was truly combat oriented? And CERTAIN PEOPLE decided that blowing up a dam and flooding millions of innocents was the solution when violence was needed? [I'd say the first one was only tangentially combat oriented.] ))
Yeah, combat oriented may not be the right word or phrase. I'm not sure of a better one though.
Head to the rec room, find an unused computer and search for information on medical decompensators.
(What's the search engine of choice in the future? Googleplex?)
Computer or VR machine? Because the computer connects to the civilian net, which might not have as much information as you want.
Zero-g gardening? Sounds fun!
Watch zero-g gardening. Pick up handy space-gardening tips.
Hmm the important parts seem to be a large supply or reaction mass and a manure resistant suit.
Examine body, especially mouth and jaws, in great detail.
'Hey doc, what exactly did you do?'
Your legs look fine, so do your hands and arms, and stomach and chest and..oh dear. Your head is cold and metallic. You run you tongue across your teeth and it makes a clinking sound. You carefully run your fingers over your face and mouth and find that your entire head is now mechanical, including a massive, bear trap of a jaw.
Go talk with mesk.
You walk over to Mesk and poke him a few times.