Besides security personal, the vast majority of air force and naval personal could be termed "support" if they were in the army.
As transfer into similar ground force (army) roles would require minimal additional training, I can't see why they'd be sent to combat roles. It's just not an economical use of their pre-existing skills.
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If it moves, shoot it, if not push it, if it still doesn't move, use explosives.
Nothing happens in isolation - it's called "the butterfly effect"
Mors ante pudorem
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