classified message center

центр секретного листування

advanced message center

classified data

classified information

unauthorized disclosure of classified information

classified intelligence

classified intelligence document

classified materials

classified mission

classified session

highly classified

highly classified documents

highly classified intel / intelligence

get access to classified information

give classified intelligence

deny access to classified information

classified activity

classified defense information

classified item

classified military information

Joint Information Operations Center /Joint Intelligence Operations Center (JIOC)

surface-to-air missile operations center / SAM operations center (SAMOC)

French Center Recherche Sur Le Renseignement / French Center for Intelligence Research (Cf2r / CF2R)

center-to-center method

cryptogram/encrypted message

end of message over/out

formatted message text

merchant ship reporting and control message system