Thunder and Lightning   
Dow2 eld sm thunder and lightning icon Unit(s) Assault Squad Equip the Assault Squad with melta bombs (good against vehicles) and blind grenades (effective against units in buildings).
Tier 2
Cost Dow2 req 1650 Dow2 pow 1625 Rt time 1620
Sergeant (Assault Squad)   
Dow2 sm sergeant assault squad icon Unit(s) Assault Squad Adds a Sergeant to lead the squad. The Sergeant has similar stats as the other squad members, but wields a power sword especially effective against heavy infantry, making him a deadly melee specialist. Also grants the Merciless Strike ability.
Tier 2
Cost Dow2 req 16100 Dow2 pow 1625 Dow2 pop 165 Rt time 1615
Vanguard Veteran Squad (Upgrade)   
Elite sm vanguard veteran squad Unit(s) Assault Squad Permanently changes the unit into First Company Vanguard Veterans armed with power weapons and a Thunder hammer. Any upgrades other than the sergeant are lost.
NOTE: this means the unit no longer carries melta bombs!
Tier 3
Cost Dow2 req 16100 Dow2 pow 1630 Rt time 1615
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