Faction Best Projectile Ammo Best Missile Type Light Drone Medium Drone Heavy Drone Sentry Drone Light Fighter
Angel Cartel Fusion Nova Warrior Valkyrie Berserker Bouncer Einherji
Blood Raiders EMP Mjolnir Acolyte Infiltrator Praetor Curator Templar
Equilibrium of Mankind Phased Plasma Scourge Hornet Vespa Wasp Warden Dragonfly
Guristas Phased Plasma Scourge Hornet Vespa Wasp Warden Dragonfly
Mercenaries Phased Plasma Inferno Hobgoblin Hammehead Ogre Garde Firbog
Mordu’s Legion Phased Plasma Scourge Hornet Vespa Wasp Warden Dragonfly
Rogue Drones EMP Mjolnir Acolyte Infiltrator Praetor Curator Templar
Sansha’s Nation EMP Mjolnir Acolyte Infiltrator Praetor Curator Templar
Serpentis Phased Plasma Scourge Hornet Vespa Wasp Warden Dragonfly
[1] Rogue Drones vary with the damage type they deal and are vulnerable to. Low-level missions seem to lean towards EM/Thermal while high-level missions lean towards Explosive/Kinetic. As a general guideline you would not go overly wrong shooting EM and tanking Explosive against them.