I used to believe that the "shark mouth" nose art painted on military planes was to scare enemy pilots away.
A childhood belief about aeroplanes

others believed things like this
- I used to think that a "pool shark" was an actual shark that lived in a swimming poolAnon
- I thought there was no midnight in military time; instead, it’d be 24:00.— Enrico
- I used to have an imaginary friend named Mr. Nobody. He would protect me from my imaginary enemy, Bad Elmer.— Kdees
- that sneezes were caused by little pixies crawling up your nose and brushing past your nose hairs— Joanna
- My mother used ot tell me that if I picked my nose the 'Nose Spider' would bite my finger off.— Melanie
- When I was in Kindergarten I was told if I picked my nose my nose will go into eternal bleeding— Sam