knee action

knee-action wheel

knee brace

knee pads

drop onto one knee

get down on one knee

drop to one knee

take a knee

after-action review / after action review (AAR)

integrated mine action and development (linking mine action and development)

follow-up on corrective action / following on corrective action

tension release action mine / tension-release action mine

action plan

Action Plan on Terrorism

Ad Hoc Working Group on Small Arms and Light Weapons and Mine Action (NATO)

aggressive action

bolt-action

Civil Emergency Planning Action Plan

coercive action

collective action

commit to action/battle

concerted action

constabulary action

Coordinating Action on Small Arms (CASA)

course of action (COA)

covering action / party

covert action

crash action

crisis action procedures

delayed-action fuse

destructive action

deterrent action

diplomatic action