Resources


2014 – U.S.: GSSAP, ANGELS, and SBSS

In February 2014, the USAF took the unusual step of publicly announcing the existence of classified space situational awareness satellites. In the initial announcement, General William Shelton stated that the Geosynchronous Space Situational Awareness Program (GSSAP) satellites will provide mor...


This article is for subscribers. Please sign up for a subscription or login below.