What does UNU stand for?

Juneau, WI - Location identifier - FAA (FAAL)

Uganda National Union (SAUS)

Unique - NCIC firearms make code (NCIC)

United Nations University - Tokyo

Universidad de las Naciones Unidas - United Nations University - Spanish (DUND)

Universite des Nations Unies - United Nations University - French (DUND)

Unusual - Telegraphy (PCTE)