Definetely "Red Frog But Cooler". Here: https://steamcommunity.com/sharedfiles/filedetails/?id=1846473448
>Cold War era vehicles, most ported from Wargame: Red Dragon.
>Cold War era humanskins, also most ported from Wargame: Red Dragon.
>Some modern weapons that don't appear in Red Rising, like the HK33.
>An interesting guidance system for ATGMs.


I also suggest some good old addons from ModDb, like:
>Arnold Schwarzenegger: https://www.moddb.com/games/men-of-war-assault-squad-2/addons/arnold-skin-and-voice-pack
>T-800 Terminator: https://www.moddb.com/games/men-of-war-assault-squad-2/addons/update-t-800-skin
>This random skin mod, that includes Punished Snake and Quiet ported from MGSV: https://www.moddb.com/games/men-of-war-assault-squad-2/addons/randomskinmod
>Metal Gear XOF soldier: https://www.moddb.com/games/men-of-war-assault-squad-2/addons/metal-gear-xof-soldier
>The assault rifle FN FNC: https://www.moddb.com/games/men-of-war-assault-squad-2/addons/ss1fn-fnc-fn-minimi
>The Brazilian police celebrity Sgt. Fahur: https://www.moddb.com/games/men-of-war-assault-squad-2/addons/sgt-fahur-skins
>VDV buggy from BF3: https://www.moddb.com/games/men-of-war-assault-squad-2/addons/bf3-vdv-buggy
>Agent 47 from the Hitman series: https://www.moddb.com/games/men-of-war-assault-squad/addons/agent-47-skin-for-mow
> A Call of Duty: Black Ops skin pack: https://www.moddb.com/mods/modpackformenofwar/downloads/call-of-duty-black-ops-v02-final-skins-pack


More modern maps, and if possible more civilian humanskins - including females.