The tour of duty metaphor isn't perfect, but I've always interpreted the "tour" part to refer to the term limit. Everyone in the DS and at 18F has a hard term l

The tour of duty metaphor isn't perfect, but I've always interpreted the "tour" part to refer to the term limit. Everyone in the DS and at 18F has a hard term limit. Can't speak for every municipal government, so don't know about your DMV, but most federal employees can keep their jobs beyond four years if they choose to. I would bet that a DMV employee would appreciate a thank you, though.