Originally Posted by
The Glyphstone
It's not quite that bad, because Space Marine training requires them to first go through training as Assault Marines, then Devastators, before becoming all-round Tactical Marines. So all the chapter's TacMarines are also prepared to snatch up and use a heavy weapon; the limiter is the number of heavy weapons available for them to use, rather than the people trained in their usage. It's very much a Russian Army situation.