Counterterrorism
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Counterterrorism, also known as anti-terrorism, relates to the practices, military tactics, techniques, and strategies that governments, law enforcement, businesses, and intelligence agencies use to combat or eliminate terrorism.
United States Coast Guard Maritime Security Response Team is an advanced interdiction force for higher risk law enforcement and counter-terrorism operations
Yamam, one of Israel's counterterrorism units
John Walker Lindh was captured as an enemy combatant during the United States' 2001 invasion of Afghanistan.
The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management.
Headquarters of the U.S. Department of Homeland Security in Washington D.C.
A U.S. Customs and Border Protection officer addresses Vice President Dick Cheney (center); Saxby Chambliss (center right), a U.S. Senator from Georgia; and Michael Chertoff (far right), the second head of the DHS; in 2005
President George W. Bush signs the Homeland Security Appropriations Act of 2004 on October 1, 2003.
U.S. CBP Office of Field Operations officer checking the authenticity of a travel document at an international airport using a stereo microscope