Doctors of Doom
Primitive Armour Imperial Armour 2 Bulk(2) 2 Common Heavy, Primitive
Bodyglove Imperial Armour 2 - 3 Rare Light, Imperium, Adeptus Ministorum
Mesh Armour Imperial Armour 3 - 3 Rare Light, Imperium, [Any]
Flak Armour Imperial Armour 3 - 4 Common Flak, Imperium, Astra Militarum
Flak Coat Imperial Armour 3 - 4 Uncommon Flak, Imperium, Astra Militarum
Skitarri Auto-Cuirass Imperial Armour 4 - 5 Rare Heavy, Imperium, Adeptus Mechanicus, Skitarii
Carapace Armour Imperial Armour 4 Bulk(1) 5 Uncommon Imperium, Adeptus Astartes, Astra Militarum
Tempestus Carapace Imperial Armour 4 - 6 Rare Heavy, Imperium, Astra Militarum, Militarum Tempestus
Light Power Armour Powered Armour 4 Powered(1) 6 Very Rare Powered, Imperium
Sororitas Power Armour Powered Armour 5 Powered(2) 6 Very Rare Powered, Imperium, Adepta Sororitas

Armour, protection and deflection.