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You have one with a UII code???!!!!??!!!??
That should have never been released. What's the serial number so I can contact them to recover it. Big no, no. UII codes are highly classified.
VIN is on the data plate. The registration number has nothing to do with it. It's a closed thread but you may want to look at the very first post of one of the past VIN INFO Threads. The database is no longer available. DoD shut it down.