You will need (minimum Mk X Uncommon):
Energy Dampening Armor, Large Hypos, Large Power Cells, Large Shield Charges, and a Damage Buff/ Damage Resistance Buff Tribble
Tacticals- Squad Leader Kit (Mk IX Rare okay), Sniper Rifle, and a Split Beam Rifle
Science- Medic Kit (Mk IX Rare okay) and 2 Expose weapons of your choice
Engineers- Bunker Fabrication Kit (Mk IX Rare okay), Enemy Neutralization Kit (Mk IX Rare okay) Sniper Rifle, and a Split Beam Rifle
Please feel free to prepare yourself by reading our fleets official guide to Infected
http://stonewallfleet.com/game-guides/special-task-forces/infected
Tjes