Noun
(politics) A response to a political issue that involves military action or the use of weapons. [from 20th c.]
A response made by an armed police officer, team etc. to a particular emergency situation. [from 20th c.]
Source: en.wiktionary.orgIf you militarise a situation, you beg for an armed response. Gerry Adams
Members of the Garda Armed Response Unit along with trained negotiators were called in to defuse the situation concerning the father and his baby girl. Source: Internet