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100

a type of weapon with a pointy end

arrow

100

a weapon that shoots bullets

gun

100

a kind of hat you wear to protect your head

helmet

100

a military vehicle that is covered with armor

tank

200

to stand with your body stiff and straight

attention

200

an officer of high rank in an army

captain

200

no war or fighting

peace

200

a ship that moves under the water

submarine

300

to disagree about something

argue

300

to win in a game or war

defeat

300

the branch of the military that uses ships, submarines, and planes

navy

300

anything that can be used in fighting, such as a gun, a sword, or a knife

weapon

400

a country that helps another country in a time of war

ally

400

to stand with your body stiff and straight

attention

400

related to the armed services of a country

military

400

a person who is a member of the military

soldier

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