Is perfectly fine with me.

Just, anybody expressing doubts might want to explain how comes the same Iranian defence sector that 'couldn't calculate 2+2' in 2015, all…

Is perfectly fine with me.

Just, anybody expressing doubts might want to explain how comes the same Iranian defence sector that 'couldn't calculate 2+2' in 2015, all of a sudden began turning out operational UCAVs, in 2016....

Such things simply do not 'happen by accident'.