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

NASA Earth satellite views and data visualizations help us understand the Earth and how it’s changing. This #EarthDay, we invite you to share how you #PictureEarth too. Share photos of some of your favorite natural features with the location and hashtag #PictureEarth: https://go.nasa.gov/2UMkEJf | NASA - National Aeronautics and Space Administration