Hypothethical scenario in Antarctica

What would be the world reaction if a 3mile long alien ship
was found in Antarctica?

>>4
No its confirmed to be alien in origin, all countries deny ownership.
The question is about what do you think will be response of international community, religious/social leaders and third-world dictators.
what do you think the popular sentiment would be if A.aliens were proven real. B. a huge real alien ship was found and televised worldwide.