First spotted near the end of World War II, their name may have come from the comic strip Smoky Stover.  
First spotted near the end of World War II, their name may have come from the comic strip Smoky Stover.  At first, pilots thought it was a new German secret weapon. Later, explanations ranging from St. Elmo's fire to ball lightning to stress-induced hallucinations were invoked, but many people believed they were [*]  UFOs. For 10 points—name these small lights spotted by World War II pilots that share a name with a band fronted by Dave Grohl.
First spotted near the end of World War II, their name may have come from the comic strip Smoky Stover.  
Foo Fighters [prompt on “UFO” before “Smoky Stover”]