Day: May 1, 2014

In May of 1972, two months before the launch of Landsat 1, engineers from Hughes Aircraft Company took their engineering model of the Multispectal Scanning System (MSS) out to Yosemite National Park, set it up on Glacier Point, and took this test image of Half Dome from a 2.5 miles away. The image composite shown above uses the MSS bands 3, 2, and 1.