“Iridium GMDSS milestones” July 22, 2017 adminUS-headquartered Iridium Communications Inc. has announced that two key milestones along the path to becoming the second recognized provider of Global Maritime Distress Safety System (GMDSS) services have been reached.http://www.maritimejournal.com/news101/onboard-systems/safety,-survival-and-training/iridium-gmdss-milestones