Security Service / Military Intelligence, Section 5 (MI5)

Military Intelligence, Section 5 (MI5)

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

MIVD (Militaire Inlichtingen- en Veiligheidsdienst / Dutch Military Intelligence and Security Service)

Military Intelligence, Section 6 (MI6)

Danish Security and Intelligence Service

military security service

branch (military/service branch, armed service)

echoing cross-section; echoing cross section

section of control surface section

security section

Aviation Security Section

intelligence section (G2)

intelligence section (int sec, J2/G2/S2)

battalion intelligence section

service and evacuation section

air and space doctrine (section of military doctrine)

civil military government section

security agreement (information security, NATO)

army intelligence and security

European Strategic Intelligence and Security Center

security intelligence

tactical intelligence / combat intelligence

undeclared member of the intelligence or counter-intelligence agencies

Central Security Service (CSS)

Defense Security Service (DSS)

Federal Security Service of the Russian Federation (FSB)

security service

Security Service of Ukraine (SSU)

site security service

United States Air Force Security Service

sea surface drone (unique invention of Security Service of Ukraine - SSU)

airport security service