Who Who Who.. are the Green Berets.. Who Who Who.. are teh Green Berets... they're real.. they are.. Jack Kennedy's men.. the Green Berets are Jack Kennedy's men... find a book on the Green Berets... they could very well be the basis for the multi-combat skill-set of.. The Batman....

https://www.msn.com/en-ca/news/world/why-green-berets-are-the-smartest-most-lethal-fighters-in-the-world/ss-BBPPhQu?ocid=spartandhp