From what I know, a Rear Echelon Squad following a Riflemen squad is enough to force a Sturmpioneer team back. By using the suppressive fire properly (and dear god do some people not use it properly), you can force Sturmpioneers to either stay in their cover to avoid being suppressed, leaving them to lose the firefight in medium and long range. If they charge, they get suppressed without cover, forcing a retreat or have unnecessary manpower bleed.
I do see how Sturmpioneers can be a headache, but their high maintenance to reinforce is a major downfall for them.
and whats the proper use of volley? i read somewhere that you can activate volley fire and still move your echelon, the ability mains active, but the fany volley animation stops, so the enemy thinks it also stoped
vuko_zrno
darkerdayzud
Relic Entertainment
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VonManteuffel 
