The Navy is gearing up for the August launch of the fourth Mobile User Objective System (MUOS) satellite manufactured by Lockheed Martin [LMT], an event that will expand the constellation’s coverage to include almost anywhere on earth. The system could become operational as early as the end of 2015, should it pass muster during multi-service operational test and evaluation scheduled for later this year, according to the company's vice president of narrowband communications.MUOS is a narrowband tactical satellite communications system…
