особливої важливості (гриф секретності)
top-attack (top attack; top-down attack )
secret (security classification)
top secret
be marked top secret
clearance for top secret work
restricted (security classification)
security classification
unclassified (security classification)
lift security classification
secret
secret agent intelligence
Secret Intelligence Service (SIS) / Military Intelligence, Section 6 (MI6)
secret internet protocol router network (SIPRNET)
secret service
state secret
be drawn from secret intelligence
foreign secret agent
give away the secret by careless talk
clear secret
cloud top
table-top exercise (TTX)
top carriage
top dead center (TDC)
top gun pilot
top plating
thermal undershirt / vest / top
waffle top
top-carriage trunnion
top-carriage trunnion bearing
valve top cap
electrically actuated convertible top
flat-top post of front sight