30’ wide? They propose doing something like this for a rock that will fit in a big mining loader with room to spare?
That thing better be made of solid gold to justify the price.
Even if the asteroid is a carbonaceous chondrite, I estimate weight at 500 tons. It is nickel-iron it cold weigh over 1000 tons.
When used to fill reentry vehicles with individual guidance systems and reentering at 7 km/sec. you have the equivalent of several thousand tons of TNT delivered anywhere on Earth and without warning.
The NKs could not bury a facility deep enough to escape such a weapon.
The Chicoms have plenty of good engineers. The physics are simple.
He who controls the High Ground will win. It had better be America!
For comparison, the hole in the AZ desert, Meteor Crater, was made by an object about 10 feet in size I believe...
30 feet is big enough to turn a lot of real estate into glass.
You could kiss a city the size of NYC goodbye.
Here's a fun little site!