> Confidential, Secret, and Top Secret are the only clearances Not necessarily. Maybe in DoD land, but there's also a different system (uses similar terminolog

> Confidential, Secret, and Top Secret are the only clearances Not necessarily. Maybe in DoD land, but there's also a different system (uses similar terminology) for the State Department, and Department of Education (and some others) also has a thing called "Public Trust Clearance" and they involve different background checks (which aren't transferable). But the DoD clearance is the one that takes much longer to complete.