Advanced Extremely High Frequency Satellite The proposal to form the U.S. Space Force is rooted in protecting America’s space advantages and in ensuring such advantages continue, Deputy Defense Secretary Patrick M. Shanahan said during a roundtable discussion with Pentagon reporters, Aug. 9, 2018. Pictured is an artist's rendering of the Advanced Extremely High Frequency satellite. AEHF-1 launched Aug. 14, 2010, and reached its operational geosynchronous earth orbit Oct. 24, 2011. DoD image by the Space and Missile Systems Center courtesy of the 50th Space Wing. SHARE IMAGE: Download Image: Full Size (1.51 MB) Tags: Advanced Extremely High Frequency satellite, U.S. Space Force Photo By: Space and Missile Systems Center VIRIN: 100814-D-EHG20-0052.JPG Photo Gallery