collective protection equipment

collective NBC protection

collective protection (COLPRO)

collective NBC protective equipment

checkout equipment / test and control equipment, testing equipment

test and control equipment / testing equipment, checkout equipment

chemical protection equipment (military)

personal passive protection equipment

protection equipment

collective action

collective call sign

collective defense

collective defense operation

collective peace support force

collective peacekeeping force

collective security

collective security actors

collective security system

Collective Security Treaty (CST)

Collective Security Treaty Organization (CSTO)

collective-defense agreement

CSTO Collective Rapid Reaction Forces

modular collective support system

right of collective self-defense

system of collective defence / security

principle of collective responsibility

collective pitch control

collective pitch control lever

main-rotor (hydraulic) collective pitch actuator

main-rotor collective pitch control rod

collective call

collective fire

collective forces