Military Satellite Services: Complete Guide to Secure Communications
The United States operates the Advanced Extremely High Frequency (AEHF) constellation, delivering jam-resistant, global, protected military communications including nuclear command and control links. Navstar GPS is a 31-satellite global navigation system that provides precise positioning, navigation, and timing to guide munitions such as JDAM and to synchronize encrypted networks. Defense Support Program (DSP) and the Space-Based Infrared System (SBIRS) form the U.S. early-warning constellation that uses infrared sensors to detect missile launches worldwide. U.S. Keyhole KH-11 optical reconnaissance satellites (and successors) provide high-resolution imagery from space. Russia operates the Liana ELINT constellation, including Lotos-S1 in low orbit and Pion-NKS in
