What does FOUO stand for?

What does FOUO mean?

FOUO	For Official Use Only Governmental » Military
FOUO	For Official Use Only Governmental » FDA
FOUO	For Official Use Only Governmental » FBI Files
FOUO	For Official Use Only Governmental » State & Local
FOUO	For Official Use Only Governmental » Police
FOUO	For Official Use Only Medical » Hospitals
FOUO	For Official Use Only Governmental » NASA
FOUO	Feguarding For Official Use Only Miscellaneous » Unclassified
FOUO	For Official Use Only Governmental » US Government