Formerly known as MILNET, the Space Data Network Backbone constellation will provide backhaul communications to facilitate data transfer for the Pentagon.
A Space X Falcon 9 rocket launches from Space Launch Complex 40 at Cape Canaveral Space Force Station, Florida, Feb. 14, 2024. The rocket was launched as part of classified mission USSF-124, sending six satellites to orbit – two for the Missile Defense Agency and four for the Space Development Agency. (U.S. Space Force photo by Airman 1st Class Spencer Contreras)
The Space Data Network has multiple components and will support a number of Pentagon-wide efforts, including the Golden Dome for America missile defense architecture.