US testing surveillance balloons on Mexico border
Thursday, August 23, 2012 - 04:00
in Astronomy & Space
(AP) — Floating 2,500-feet (762-meters) above scrub-covered U.S. ranchland near the Mexico border, the payload of high-tech cameras onboard a balloon being used by the Border Patrol can easily see a cluster of reporters and the make, model and color of their vehicles a couple of miles away.