armed response

noun2

1. •
   A response to a political issue that involves military action or the use of weapons.

   • Advice in international crises where the UK contemplates an armed response comes from the foreign office legal adviser - a senior civil service lawyer - the attorney general and the solicitor general. — 2001
2. •
   A response made by an armed police officer, team etc. to a particular emergency situation.

   • Officers have installed a panic alarm in his home that triggers an armed response. — 2013