S: (n) battle, conflict, fight, engagement (a hostile meeting of opposing military forces in the course of a war) "Grant won a decisive victory in the battle of Chickamauga"; "he lost his romantic ideas about war when he got into a real engagement"
S: (n) amphibious landing (a military action of coordinated land, sea, and air forces organized for an invasion) "MacArthur staged a massive amphibious landing behind enemy lines"
S: (n) battle, conflict, fight, engagement (a hostile meeting of opposing military forces in the course of a war) "Grant won a decisive victory in the battle of Chickamauga"; "he lost his romantic ideas about war when he got into a real engagement"
S: (n) defense, defence, defensive measure ((military) military action or resources protecting a country against potential enemies) "they died in the defense of Stalingrad"; "they were developed for the defense program"
S: (n) electronic warfare, EW (military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum)
S: (n) police action (a local military action without declaration of war; against violators of international peace and order)
S: (n) resistance (the military action of resisting the enemy's advance) "the enemy offered little resistance"
S: (n) war, state of war (a legal state created by a declaration of war and ended by official declaration during which the international rules of war apply) "war was declared in November but actual fighting did not begin until the following spring"