why hasnt china or russia made a man portable missile big enough a man can still carry it that can punch down from the sky planes flying 10km>that way you can infiltrate a few guys behind enemy lines and have them shoot down the enemy transport planes en route to the front
Your post is difficult for a native English speaker to understand, but I think this might be what you're attempting to describe.
>punch down on planes from >10kmPeople have weight handling limits and you can only fit so much propulsion in a limited size.
>>65262776>reddit frog
>nuclear ramjet MANPAD