https://www.techtimes.com/articles/202363/20170320/delta-iv-successfully-launches-wgs-9-satellite-into-orbit-why-this-is-crucial-to-us-military-defense.htm
The successful launching of the WGS-9 satellite into orbit was crucial to U.S. military defense. The addition of WGS-9 to the constellation makes it the only...
delta ivsuccessfullylauncheswgssatellite