First game to christen the new war room was a spot of 15mm Moongrunt. I bought the models from GZG at Salute 2019 and painted them soon after, but taken ages to get them to the table. A nice 3' x 3' gridded cloth from Deepcut Studio, craters made from upturned lids and rocks from the drive!
I decided to modify Bolt Action as its become my go-to Platoon sized rules. I doubled ranges (treating the weapons as modern chemical ones, no fancy lasers), and also increased lethality - as any suit damage is going to be an issue. I thought about increasing movement - but watching the Apollo videos whilst the bunny hop was fast it as a) hard to stop and b) made you a cracking target. So its reasonable to expect that "patrol" speed would be little different, and a hop is just a run.
To give it a bit more of a "space" feel I decided though to add a "fumble" roll to anything that might risk suit damage - as that seems to be the big difference - particularly as we're not talking battle armour here. So any Run or Down action needs an extra Orders test - fail it and you take 1 Pin, double 6 and you lose a soldier (assumed out of game whilst doing suit repair).
I did a straight attack/defence game. Even forces so defenders won easily, but the mechanics all seemed to work. Might as ever do a few tweaks, but I think the fumble gave it just enough extra to remind you that this wasn't just WW2 in a grey desert. Tempted the write the whole thing up for MW&BG.
Seeing as I have the table set up I'll run few a few other SF rules to see how they fare.