That would be cool but op said [b][u]1[/u][/b] military unit as back up not multiple different ones. you can only have 1 unit that consists of 100 of them.
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All facts considering, he didn't specify what form of military unit.
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He said though the military unit has no vehicles and is limited to [u]100[/u] of its best soldiers. This implies that you're only allowed one type. but to each his own