[threeseed]

Algorithms.

You do know they exist for flying drones and likely for detecting, intercepting and destroying other objects in the sky ?

[alkonaut]

You do realize that an F-16 mission is flown by 1 pilot, and a drone mission is flown by 3-5 staff? It's not just manned flight it's 3-5x more manned than conventional craft, just from the ground.

[throwaway2048]

The USA does not fly combat drones that do "detecting, intercepting and destroying".