As dedicated X-Men fans will know, the Hellfire Gala was originally a one-time in-universe event (but went so well, it came back in each of the next two years) where the residents of Krakoa opened up ...

Hellfire is an air-to-ground, laser guided, subsonic missile with significant anti-tank capacity. It can also be used as an air-to-air weapon against helicopters or slow-moving fixed-wing aircraft ...