ImperiumThose imperium soldiers seems to have two types of attack: ranged and melee, maybe different dmg types there.

Dmg type: impact and penetration – Pilots and Officer; Scouts/Grunts do also Burn

Note that Imperium soldiers (scout, grunt, vet) have separate missions from Pilots – those dont count together.

Imperium ScoutNormal651100
Imperium GruntFast751200
Imperium VetFast901300
Rank 1 Imperium PilotNormal40800
Rank 2 Imperium PilotNormal70850
Rank 3 Imperium PilotNormal84900
Imperium OfficerFast1202200

Find this mob on Cyrene Map