That is because there are none.
Some of the Black Panthers who ran off to Cuba quickly realized that all the Cuban officers were white and the privates were black.
They quickly became disillusioned.
They hate blacks, they tell them they were monkeys that were pulled out of the trees and had their tales cut off. There was a black highjacker that went to jail there. When he was sent back to the US to prison he saI’d thank God he was back.