security section

echoing cross-section; echoing cross section

section of control surface section

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

Security Service / Military Intelligence, Section 5 (MI5)

Aviation Security Section

security agreement (information security, NATO)

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

command vehicle section

control actuator section

Crisis Management Policy Section

cross section

cryptographic section