система колективної оборони / безпеки
International legion for the Defence of Ukraine (ILDU) / International Legion of Territorial Defence of Ukraine / Ukrainian Foreign Legion
collective security system
collective security
collective security actors
Collective Security Treaty (CST)
Collective Security Treaty Organization (CSTO)
collective security alliance
modular collective support system
National Manoeuvre Air Defence System (NOMADS)
active missile defence
antiaircraft defence
armed defence
collective action
collective call sign
collective defense
collective defense operation
collective NBC protection
collective NBC protective equipment
collective peace support force
collective peacekeeping force
collective protection (COLPRO)
collective-defense agreement
CSTO Collective Rapid Reaction Forces
Defence Intelligence (DI)
harbor defence
layered defence
leakage rate (missile defence)
line of defence
passive defence
right of collective self-defense
right of self-defence
static defence