Invasion

Invasion is a word that comes from Latin. Originally, it meant that something goes in (as in military occupation) of a foreign territory. So far, the following uses are known:

• Military: Getting troops to take control of enemy territory. Often a state invades another to start a war, but invasions can happen anytime during war. An invasion differs from a raid, in which the attacker does not intend to remain.
• Others: Sometimes, biologists speak about an invasive species. There might be locust swarms invading, or that some algae spread far more rapidly in new territory.

Invasion Media

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  Map of the first phase of Operation Barbarossa on 25 August, 1941

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  The Great Wall of China, built to defend China from invasion.

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  View from Dover Castle.

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  The view from a battery at Ouvrage Schoenenbourg in Alsace; notice the retractable turret in the left foreground.

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  German troops march through Warsaw, Poland, in 1939 during the German invasion of Poland.

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  A hovercraft carrying armored vehicles ashore during the 2003 invasion of Iraq

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  Thousands of paratroopers descend during Operation Market Garden in September 1944.

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  U.S. forces distribute information leaflets on the streets of Kut, Iraq in May 2003.

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  Russian convoy in Kyiv region, during 2022 invasion.

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  A mobile satellite communications center