Keith Masback, former Director of Intelligence, Surveillance, and Reconnaissance Integration for the US Army, explains how to understand satellite imagery, and provides a few tips and tricks for what people like him are generally looking for. | WIRED

This year NGA inducted six new members into the Geospatial Intelligence Hall of Fame: David Alspaugh, Ph.D., Barbara Bond, Ph.D., Nancy Bone, Keith Hall, retired Navy Vice Admiral Robert Murrett and Lloyd Rowland. “[The] induction into our Hall of Fame is the absolute pinnacle of achievement and recognition for anyone who’s ever served in a part of the geospatial intelligence enterprise,” said National Geospatial-Intelligence Agency Director Robert Cardillo. “The 65 phenomenal names inscribed in

7.2K views · 157 reactions | Today, more than three billion people around the world use GPS daily ... but do you know how it works? Check out the latest episode of 'NGA Explains' to hear one of our experts explain the essential tradecraft that goes into precise GPS. | National Geospatial-Intelligence Agency | Facebook