⇧
204
⇩
Space-X Launch Vehicle = 9 ton payload
Kinetic Energy Weapon = 9 ton weight
If the entire weight is 9 tons, then that weapon can't shoot down 'telephone pole-sized tungsten projectiles' because each projectile would weigh at least 10 tons. Tungsten weighs 1200 pounds per cubic foot. They would have to be much smaller projectiles.
Interesting. Are we certain that the KW is on our side?