restricted (security classification)

security-restricted

secret (security classification)

security classification

top secret (security classification)

unclassified (security classification)

lift security classification

barrier restricted area

restricted

restricted area (airspace)

restricted area (under military jurisdiction)

restricted operations area

Restricted Operations Zone (ROZ)

restricted-burning rocket (engine)

restricted-weapons zone

restricted target

restricted target lists (RTL)

restricted articles

restricted job

restricted visibility

instrument restricted airspace

restricted area

flight restriction zone / flight restricted zone (FRZ)

restricted frequency list (RFL)

airspace restricted area

administrative classification

classification

military load classification (MLC)

military occupational classification (MOC)

NATO Supply Classification Group (NSCG)

route classification

target classification

tentative classification of damage