Dynamic Manta is an annual military exercise held by

NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...

that "aimed at testing submarine warfare and anti-submarine warfare capabilities. It provides a framework for naval forces to maintain high readiness and ability to operate together."Nato factsheet
It takes place primarily in the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea ...

Dynamic Manta 2021

References

NATO military exercises {{mil-hist-stub