REP(MUS) (Robotic Experimentation and Prototyping using Maritime Uncrewed Systems) is an annual military exercise organized and hosted by the Portuguese Navy and NATO with the participation of forces from foreign military forces, universities and tech companies. The exercise has the objective of testing different types of unmanned aerial vehicles, unmanned surface vehicles, unmanned undersea vehicles, and unmanned ground vehicles. Today it is the largest UAV testing exercise, with the participation of several NATO countries.[1][2]
REP(MUS) allows nations to pool their resources, talent and ingenuity to create better, more flexible and more interoperable maritime unmanned vehicles and systems;[3]
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The REP(MUS)20 exercise was canceled due to the COVID-19 pandemic, and was replaced by two webinars.[15]
In this edition took part 11 ships, 21 Unmanned aerial vehicles, 32 Unmanned underwater vehicles and 12 Unmanned surface vehicles.[16]
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In the 2022 edition, there were 45 unmanned aerial vehicles, 40 unmanned underwater vehicles, 18 unmanned surface vehicles, and 17 military vessels present. It was attended by more than 2000 people from 25 countries, many of them from NATO, as well as companies and universities.[32][33][34][35][36][37]
The exercise took place in September 2023 and was attended by more than 25 Navies, 8 NATO entities and more than 30 companies and universities dedicated to research and development in this area.[45][46][47]
Italy: Italian Navy (MARICENPROG )[49]