The category "<controller_flight_advisory>" can be expressed as follows:
<contact_type-pl-neutral> <confirmation_relation-pl> <contact_attribute>
<contact_type-sing-neutral> <confirmation_relation-sing> <contact_attribute>
<controller_flight_advisory-recursive-proceed_as_briefed> <altitude_directive>
break
break break
bugout
clean
cleared hot
cleared to engage
cleared to fire
cleared to join
cleared to region
cleared to switch
continue
disregard
go ahead
knock it off
knock it off knock it off
no radar contact
positive radar contact
radar contact
ready to copy
reset
return to base
rtb
same
say state
say weapons status
send nine line brief
ship nine line brief
shows
sparkling clean
stand by for nine line
stand by for nine line brief
stand by nine line
stand by nine line brief
stand by to copy nine line
stand by to copy nine line brief
standby for clearance
standby for impact
standby for time hack
standby for time on target
standby impact
transmit nine line brief
wait for assignment
what state
what state weapons
where are you