Support Units leading the advance

[Phoenix100]

I often see support units of various types (AA, AT, arty etc) at the very front of the enemy advance. A bug? At least, they should be further back, no? The screen shot is from the third scenario in the US campaign, but just one example. Maybe this has already been reported. Of course, I'm not sure about FOW, but the units in question are usually very close to mine before I notice them, so maybe the intel is good. Is a save needed, or anything like that?

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