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5 Cards in this Set
- Front
- Back
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crew |
a group of people who work on and operate a ship, aircraft, etc |
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National security |
the safety of a nation against threats such as terrorism, war, or espionage. |
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Military |
relating to or characteristic of soldiers or armed forces. |
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Cold war |
a state of political hostility between countries characterized by threats, propaganda, and other measures short of open warfare, in particular. |
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Nuclear waepon |
a bomb or missile that uses nuclear energy to cause an explosion. |
