intelligence officer under official cover

intelligence officer working under diplomatic cover

intelligence officer working under legal cover

veteran intelligence official

intelligence officer living under false identity

intelligence officer working under false identity

under cover of

be active under the cover of civil society organisations

be under cover

under cover of civilian research

under cover of the Consulate General

under deep cover

field officer (field-grade officer / senior officer)

absent without leave / absence without official leave (AWOL)

For Official Use Only (FOUO)

official document

official record

official Secrets Act

official travel

official testing

7.62×51mm NATO (official nomenclature 7.62 NATO)

Under Secretary of Defense for Intelligence USD(I)

intelligence officer (J2/G2/S2)

intelligence staff officer (brigade, battalion & armored cavalry units level) (S2)

battalion intelligence officer

career intelligence officer

counterbattery intelligence officer

covert intelligence officer identities

air intelligence officer

mapping and intelligence officer

Secret Intelligence Service (SIS) / Military Intelligence, Section 6 (MI6)

tactical intelligence / combat intelligence

undeclared member of the intelligence or counter-intelligence agencies