This nonimmigrant classification applies to people who wish to perform services in a specialty occupation, services of exceptional merit and ability relating to a Department of Defense (DOD) cooperative research and development project, or services as a fashion model of distinguished merit or ability.
They ran out of slots for the 10/30 oath about 7 people before me, so after that all of us got the N652 with "civics test/English passed" and "congratulations; it seems you are eligible...etc etc checked off, and when they handed it to to us they said our oath letters will be in the mail soon.