160916-N-TC720-132 REYKJAVIK, Iceland (Sept. 16, 2016) Explosive Ordnance Disposal Technician 1st Class Todd Eggenberger, right, assigned to Explosive Ordnance Disposal (EOD) Mobile Unit 8, shows Robert Barber, U.S. ambassador to Iceland, equipment used by EOD members during exercise Northern Challenge 2016, Sept. 16. Northern Challenge 2016 is an Iceland-hosted multinational explosive ordnance disposal counter-improvised explosive device exercise in which participants share military tactics, techniques, and procedures in order to achieve greater interoperability when conducting combined peacekeeping and humanitarian operations, or when countering global or regional threats to maritime security. (U.S. Navy photo by Mass Communication Specialist 2nd Class Mat Murch/Released)