A massive total conversion mod that includes Federation weapons, equipment, and playable Arachnids. It is widely available on Steam Workshop and Nexus Mods .
Depending on the game you are playing, here are the primary mods and sources: skachat mod starship troopers
Adds drop ships, new bug variants, and orbital invasion mechanics to Arma 3 missions. Squad (Multiplayer Shooter) A massive total conversion mod that includes Federation