Drones on the home front

Unmanned aircraft, which have already revolutionized warfare in Iraq and Afghanistan, are entering U.S. airspace. While drones have already been used to patrol the border and track forest fires, their most controversial use may be as surveillance tools for federal, state and local law enforcement.

Learn more about four types of drones
used in domestic surveillance:

SOURCES: AeroVironment, Honeywell, Draganfly Innovations Inc., General Atomics.
GRAPHIC: Alberto Cuadra and Kat Downs / The Washington Post - Jan. 23, 2011.

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