Sea_Hunter_gets_underway_on_the_Willamette_River_following_a_christening_ceremony_in_Portland,_Ore._(25702146834)

Sea_Hunter_gets_underway_on_the_Willamette_River_following_a_christening_ceremony_in_Portland,_Ore._(25702146834)

Sea Hunter, an entirely new class of unmanned ocean-going vessel gets underway on the Willamette River following a christening ceremony in Portland, Oregon. Photo: US Navy

February 8, 2018 4:29 AM (UTC+8)