I can't believe there are still fools that will go with (((their))) hologram nonsense. The USA have been using attack drones since WW2. Fighter aircraft were modifed with remote control and increased internal space for explosives. The Kamikaze were Japan's answer to the weapon tha was decimating their ships.
Now think 911. There are military aircraft in Arizona's boneyard that look like airliners but are actually structurally harder. It would be easy to turn those into cruisie missiles to home into transponders carefully placed in the towers, Pentagon and another target.