United States, Feb. 11 -- Lockheed Martin has now proven the readiness of its satellite design in support of the U.S. Space Force (USSF) Space Systems Command's upcoming Mobile User Objective System (MUOS) Service Life Extension (SLE) program through successful execution of an Early Design Review (EDR). Future MUOS satellites planned as part of the program will be critical in continuing to provide crystal-clear, secure communications to military forces on the move.Lockheed Martin is one of two companies selected to develop future MUOS satellite concepts under Phase 1 of the program, centered on early design activities and risk reduction. The company's expertise derived from building and sustaining the existing MUOS constellation uniquely en...