service section

echoing cross-section; echoing cross section

section of control surface section

radar cross-section / radar cross section (RCS); radar signature; radar crossover

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

Security Service / Military Intelligence, Section 5 (MI5)

service and evacuation section

branch (military/service branch, armed service)

separate from active service / the service

Y service (Y-service) / Y-station

regional meteorological service/ regional weather service (RWS)

emergency service / emergency operations service

accessory section

administration section

aft section

aid man section

air and space doctrine (section of military doctrine)

air armaments section

Air defense Section (NATO IS)

Airspace Management Section (NATO IS)

ammunition section

armament section

Arms Control and Coordination Section (NATO IS)

aviation section

base section

battalion medical section

battalion mess section

centre-section

chief of section

civil affairs section (G5)

Civil Emergency Planning Section

civil military government section

combustion section