[hedora]

Most people don't realize that the paint they used to seal the shell of the Hindenburg is a popular solid rocket fuel. The hydrogen was the least of their problems during that crash.

[BenjiWiebe]

Citation needed. I googled it and it appears to be a common myth.

(Aluminum powder is used in propellant, it was used to coat the Hindenburg, therefore the Hindenburg was coated in rocket propellant.)