Subsequently the US set a legal floor of IQ 80 to enlist. It's illegal to enlist anyone with an IQ below 80 to the military. They don't have any use for them.

Subsequently the US set a legal floor of IQ 80 to enlist. It's illegal to enlist anyone with an IQ below 80 to the military. They don't have any use for them. Approximately 1 in 10 people have an IQ below 80.