Hello everyone! I'm hoping someone can help me. I'm writing a fiction novel and I want it to be as accurate as possible. One of the characters plans to detonate a fuel air bomb in the sky above a group of spectators without hurting anyone. But I read that thermobaric weapons are not effective at high altitudes. Does anyone know what the maximum effective altitude of a fuel air bomb is? Or does anyone have any suggestions as to another weapon that could be dropped undetected by people on the ground that would create a large fiery blast in the sky? Any suggestions would be greatly appreciated.