Remote sensing

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<<Last night a crew of volunteers at the North American Aerospace Defense Command (NORAD) successfully tracked Santa over the span of 31 hours as he crossed the globe at speeds up to 1040 km/s. NORAD has continuously tracked Santa’s annual trip for over 50 years. Tracking Santa’s progression around the globe is a time-honored tradition at NORAD that began in 1955 when Sears and Roebuck & Co. accidentally used NORAD’s phone number in an advertisement for Santa. Ever since then, NORAD has used 47 radar installations, countless satellites, Santa cams, and unarmed fighter jets to determine Santa’s whereabouts. The final report from NORAD this morning confirmed Santa’s triumphant return to his home at the North Pole where his wife was patiently awaiting his arrival with a steaming cup of cocoa overflowing with marshmallows.>>