противодронна оборона
International legion for the Defence of Ukraine (ILDU) / International Legion of Territorial Defence of Ukraine / Ukrainian Foreign Legion
drone swarm's counter-drone capabilities
maritime counter terrorism (MCT) / counter-terror measures
counter reconnaissance / counter-reconnaissance
active missile defence
antiaircraft defence
armed defence
Defence Intelligence (DI)
harbor defence
layered defence
leakage rate (missile defence)
line of defence
passive defence
right of self-defence
static defence
stubborn defence
suppression of antimissile defence
sustained defence
system of collective defence / security
territorial defence
Defence Forces (DF)
Ukraine Defence Contact Group (UCG)
NATO Defence Planning Process (NDPP)
home defence / forces / posting
harbour defence controlled mine
hasty defence position
hasty defense / hasty defence
all-round defence (ARD)
Kenya Defence Forces (KDF)
air defence destroyer
defence intelligence specialist
Australian Defence force academy