@Huelague But that was due to the arrogance and stupidity of the Americans, who thought they were infallible.
Nevertheless, their drones are first class.
Only an idiot would deny that.
If they were junk, Iran wouldn't have done everything they could to replicate them. But they haven't had much success, their drones look like alpha versions of the current Golden Master drone.
Obviously they are not capable of 3D printing higher quality metal and components.
Not to mention that they can't copy the propulsion system. They don't have the equipment to do it and the Americans are probably using 3D printing for the individual components of the propulsion.
It also seems that they have no radar absorbing material or alloys, apparently they can copy them.
Probably the chip hardware is not comparable either, in terms of computer chips, INS & avionics.
They have no factories for semiconductor production.
But they may have sent chips to China, because they have the factories to make DIE Shots and Analyze the Software, Chip structure and their architecture.
A Die Shot is
a picture of a computer chip without its housing. There are two ways to capture such a chip "naked" on a photo; by either taking the photo before a chip is packaged or by removing its package.
For example: