Service Recognized as Top Emergency Response at Inaugural Mobile Satellite Users Association (MSUA) Awards MCLEAN, Va., March 10, 2016 (GLOBE NEWSWIRE) — Iridium Communications Inc. (Nasdaq:IRDM) today announced that Iridium Push-to-Talk (PTT) was recognized as the  during the first annual Mobile Satellite Users Association (MSUA) 2016 Mobility Satellite Innovation Awards at SATELLITE 2016. Commercially launched