fighting a war using airplanes

to attack someone from a concealed position

to take control over the land and to incorporate it into an existing political unit such as a country, state, county, or city

total destruction

a violent attack

an encounter between opposing forces; armed fighting; combat

to surround with hostile forces

using germs to cause disease among enemy soldiers or corps

a series of military operations undertaken to achieve a large-scale objective during a war

to take captive, as by force or craft; seize