190917-N-LL146-1141 KEFLAVIK, Iceland (Sept. 17, 2019) A remotely operated underwater vehicle guided by an explosive ordnance disposal technician assigned to Explosive Ordnance Disposal Mobile Unit (EODMU) 8 is used to find simulated improvised explosive devices (IED) during exercise Northern Challenge 2019 in Keflavik, Iceland, Sept. 17, 2019. Exercise Northern Challenge 2019 is an annual joint funded Icelandic Coast Guard-hosted multinational EOD exercise aimed at preparing Partner for Peace, NATO, and Nordic nations for international deployments, and defense against terrorism. (U.S. Navy photo by Mass Communication Specialist 1st Class Scott Bigley/Released)