# Exercise REP(MUS)

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**REP(MUS)** (*Robotic Experimentation and Prototyping using Maritime Uncrewed Systems*) is an annual experimentation exercise for Unmanned Maritime Systems organized and hosted by the [Portuguese Navy](/source/Portuguese_Navy), [NATO](/source/NATO) and [Faculty of Engineering - University of Porto](/source/Faculty_of_Engineering_-_University_of_Porto), co-organized by the [European Defence Agency](/source/European_Defence_Agency),[1] with the participation of forces from foreign military forces, universities and [tech companies](/source/Tech_companies). The exercise has the objective of testing different types of [unmanned aerial vehicles](/source/Unmanned_aerial_vehicle), [unmanned surface vehicles, unmanned undersea vehicles](/source/Unmanned_surface_vehicle), and [unmanned ground vehicles](/source/Unmanned_ground_vehicle). Today it is the largest [UAV](/source/UAV) testing exercise, with the participation of several NATO countries.[2][3] In recent years it has been the largest exercise for experimenting with unmanned vehicles in the world.[4]

## REP(MUS)19

### Military participants

Source:[5]

- ;[citation needed]
- ;[citation needed]
- ;[citation needed]
- : [NRP Tridente](/source/NRP_Tridente_(S160)), [NRP Álvares Cabral](/source/NRP_%C3%81lvares_Cabral_(F331)), [NRP Figueira da Foz](/source/Viana_do_Castelo-class_patrol_vessel), [NRP Almirante Gago Coutinho](/source/NRP_Almirante_Gago_Coutinho_(A523)), [NRP Dom Carlos I](/source/NRP_Dom_Carlos_I_(A522)), NRP Andrómeda, [NRP Pégaso](/source/Centauro-class_fiscalization_boat), [Portuguese Marine Corps](/source/Portuguese_Marine_Corps), [Special Actions Detachment](/source/Special_Actions_Detachment) and [Sappers Divers Group](/source/Sappers_Divers_Group).[6]
- ;[citation needed]
- ;[citation needed]
- : [Naval Sea Systems Command](/source/Naval_Sea_Systems_Command) and [USS Porter](/source/USS_Porter_(DDG-78)).[7]

### Civil participants

Source:[8]

- [AeroVironment](/source/AeroVironment);[9]
- [IAI Elta Systems](/source/Elta_Systems);[10]
- [INESC TEC](/source/INESC_TEC)[11]
- [DSTL](/source/DSTL);[12]

## REP(MUS)20

The REP(MUS)20 exercise was canceled due to the [COVID-19 pandemic](/source/COVID-19_pandemic), and was replaced by two [webinars](/source/Webinar).[13]

## REP(MUS)21

In this edition took part 11 ships, 21 [Unmanned aerial vehicles](/source/Unmanned_aerial_vehicle), 32 [Unmanned underwater vehicles](/source/Unmanned_underwater_vehicle) and 12 [Unmanned surface vehicles](/source/Unmanned_surface_vehicle).[14]

### Military participants

Source:[15]

- ;
- ;
- ;
- ;
- : [FGS Planet](/source/Planet_(research_ship));
- ;
- : [NRV Alliance (A 5345)](/source/Italian_ship_Alliance_(A_5345));
- : Geosia;[16]
- ;
- ;
- : [NRP Tridente](/source/NRP_Tridente_(S160)), [NRP Álvares Cabral](/source/NRP_%C3%81lvares_Cabral_(F331)), [NRP Sines](/source/Viana_do_Castelo-class_patrol_vessel), [NRP Setúbal](/source/Viana_do_Castelo-class_patrol_vessel), [NRP Hidra](/source/Argos-class_patrol_boat), [NRP Cassiopeia](/source/Argos-class_patrol_boat), [NRP Dom Carlos I](/source/NRP_Dom_Carlos_I_(A522)), [Portuguese Marine Corps](/source/Portuguese_Marine_Corps) and [Sappers Divers Group](/source/Sappers_Divers_Group);[17]
- ;
- ;
- ;
- ;
- : [USNS Carson City](/source/USNS_Carson_City_(T-EPF-7)).[18]

## REP(MUS)22

In the 2022 edition, there were 45 [unmanned aerial vehicles](/source/Unmanned_aerial_vehicle), 40 [unmanned underwater vehicles](/source/Unmanned_underwater_vehicle), 18 [unmanned surface vehicles](/source/Unmanned_surface_vehicle), and 17 [military vessels](/source/Military_vessel) present. It was attended by more than 2000 people from 25 countries, many of them from NATO, as well as companies and universities.[19][20][21][22][23][24]

### Military participants

- ;
- ;
- : Participated as observer;[23]
- ;
- ;
- : [Commandant Ducuing](/source/French_aviso_Commandant_Ducuing);
- : [FGS Planet](/source/Planet_(research_ship));
- ;
- : NRV Alliance;
- : [HNLMS Rotterdam](/source/HNLMS_Rotterdam_(L800)), [HNLMS Tromp](/source/HNLMS_Tromp_(F803)) and Geosia;
- ;
- : [NRP Bartolomeu Dias](/source/NRP_Bartolomeu_Dias_(F333)), [NRP Arpão](/source/NRP_Arp%C3%A3o_(S161)), [NRP Viana do Castelo](/source/Viana_do_Castelo-class_patrol_vessel), [NRP Sines](/source/Viana_do_Castelo-class_patrol_vessel), [NRP Hidra](/source/Argos-class_patrol_boat), [NRP Sagitário](/source/Centauro-class_patrol_boat), [NRP Dom Carlos I](/source/NRP_Dom_Carlos_I_(A522)), [NRP Almirante Gago Coutinho](/source/NRP_Almirante_Gago_Coutinho_(A523)), UAM Macaréu, [Portuguese Marine Corps](/source/Portuguese_Marine_Corps), CEOM;
- : Alexandru CĂTUNEANU;
- : [Audaz (P-45)](/source/Spanish_patrol_vessel_Audaz_(P-45));
- ;
- : [HMS Lancaster](/source/HMS_Lancaster_(F229)) and [HMS Hurworth](/source/HMS_Hurworth_(M39));[25]
- : [US Navy](/source/USA_Navy).

## REP(MUS)23

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.[26][27][28]

### Military participants

- : [Royal Danish Navy](/source/Royal_Danish_Navy)[29]
- :[French Navy](/source/French_Navy) (FS PLUTON M62)
- : [Italian Navy](/source/Italian_Navy) ([Carabiniere F 593](/source/Italian_frigate_Carabiniere_(F_593)), [Stromboli A 5327](/source/Stromboli-class_replenishment_oiler), [Gaeta M 5554](/source/Gaeta_class))

- : [Portuguese Navy](/source/Portuguese_Navy) ([NRP Dom Francisco de Almeida (F334)](/source/NRP_Dom_Francisco_de_Almeida_(F334)), [NRP Setúbal](/source/Viana_do_Castelo-class_patrol_vessel), [NRP Sines](/source/Viana_do_Castelo-class_patrol_vessel), [NRP Dom Carlos I](/source/NRP_Dom_Carlos_I), NRP Andrómeda, [NRP Hidra](/source/Argos-class_patrol_boat), [NRP Orion](/source/Centauro-class_patrol_boat))
- ;
- : [Spanish Navy](/source/Spanish_Navy) ([Furor P-46](/source/Spanish_patrol_vessel_Furor), Tambre M-33)
- : [Royal Navy](/source/Royal_Navy) ([XV Patrick Blackett](/source/XV_Patrick_Blackett))[30]
- : [United States Navy](/source/United_States_Navy).[31]

### Civilian participants

- [Leonardo](/source/Leonardo_(company))
- ALSEAMAR;[32]
- [Atlas Elektronik](/source/Atlas_Elektronik);[33]
- Beyond Vision;[34]
- [Bundeswehr Technical Center for Ships and Naval Weapons, Maritime Technology and Research](/source/Bundeswehr_Technical_Center_for_Ships_and_Naval_Weapons,_Maritime_Technology_and_Research)
- Centre for Maritime Research and Experimentation (NATO CMRE);
- Connect Robotics;[35]
- EvoLogics GmbH;[33]
- Faculdade de Engenharia da Universidade do Porto (FEUP);
- [Fincantieri](/source/Fincantieri): with one SAND USV;[36]
- INERC BV
- INESC TEC;[33]
- iXblue: With one Drix USV;[37]
- [Malloy Aeronautics](/source/Malloy_Aeronautics)[38]
- Maritime Robotics: With Otter USV;[30]
- IQUA Robotics
- MARTAC: With Devil Ray T24 USV;[31]
- NATO Maritime Unmanned Systems Initiative (NATO MUSI);
- [Nokia](/source/Nokia)
- OceanScan[39][40]
- [Schiebel](/source/Schiebel): With two [Schiebel Camcopter S-100](/source/Schiebel_Camcopter_S-100);[41]
- [Saab AB](/source/Saab_AB) with two AUV62-AT[42]
- SEABER;[43]
- SeeByte;[44]
- [Shield AI](/source/Shield_AI);[45]
- [Sonardyne International Ltd](http://www.sonardyne.com)
- Sefine Shipyard, Altinova, Yalova, Türkiye;
- Swarming Technologies and Solutions;
- [Tekever](/source/Tekever);[46]
- [Teledyne Technologies](/source/Teledyne_Technologies);[32]
- [Thales Edisoft Portugal](/source/Edisoft);[47]
- [UAVision](/source/UAVision);[48]
- Utek;[49]
- [Woods Hole Oceanographic Institution](/source/Woods_Hole_Oceanographic_Institution): With [REMUS](/source/REMUS_(vehicle)) [autonomous underwater vehicles](/source/Autonomous_underwater_vehicle);
- : With HydroTWIN.

## REP(MUS)24

The 2024 edition has more than 2000 participants from 30 countries. It´s the largest international drone exercise in the world, demonstrating the commitment and collaboration between the nations present for development, in set of these new technologies.[50]

**Military participants**

- : [NRP Setúbal](/source/Viana_do_Castelo-class_patrol_vessel)

## See also

- [REMUS (AUV)](/source/REMUS_(AUV))

## References

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Adapted from the Wikipedia article [Exercise REP(MUS)](https://en.wikipedia.org/wiki/Exercise_REP(MUS)) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Exercise_REP(MUS)?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.