Robot Border Patrol on Point

Unpiloted UAV on snoop patrol. Image
(Image credit: Northrop Grumman)

Unmanned Aerial Vehicles are best known for their use in wartime situations. But now UAVs are finding a high-altitude niche flying sentry over the U.S.-Mexico border in the hopes of stemming the tide of illegal border crossings from Mexico.

Starting this month into January -- as part of the new Arizona Border Control -- two U.S. Army RQ-5 Hunter UAVs equipped with electro optical infrared sensors are making reconnaissance flights along the Arizona border area 90 miles southeast of Tucson.

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Leonard David
Space Insider Columnist

Leonard David is an award-winning space journalist who has been reporting on space activities for more than 50 years.