-handy little chart

NPC Damage (Use against them) (tank/tank)

Amarr Navy - (Thermal) EM / Them
Angel Cartel (Frig) - (Expl) Expl / Kin
Angel Cartel (Crusier/BS) - (Expl) EM / Therm
Caldari State (Kinetic) Kin / Therm
Blood Raider - (EM) EM / Therm
Guristas - (Kinetic) Kin/ Therm (sentries do EM)
Gallente Federation (Thermal) Kin / Therm
Mercenaries - (Thermal) ALL Damage Types
Minmatar Fleet - (Explosive) Therm/ Expl
Mordu's Legion - (Kinetic) Kin / Therm
Rogue Drones - (EM) ALL Damage Types-focus on expl
Sansha's Nation - (EM) EM / Ther
Serpentis - (Thermal) Therm/kin