Warhammer The Horus Heresy: MkII Assault SquadJump pack equipped assault squads are rapid attack soldiers with wargear optimised for close quarter fighting and hit and run tactics. The use of jump packs allows assault squads to move with great speed across the battlefield and impact the enemy line with savage force, leaping past intervening terrain and open defences to engage their adversaries in bloody melee. When first created, Mark II "Crusade" armour was the epitome of Space Marine technology