The Marines and Navy are training to combat enemy submarines with sonobuoys. This isn't a normal mission for Marines.

A Norwegian P-8A "Poseidon" flew close to Russia's major submarine hubs in the Murmansk region before heading to the ...

Partial flight data recorded by Flightdata24 shows a Norwegian air force P-8A Poseidon maritime patrol aircraft sortie in the ...

Officials told Military.com that the latest exercise marked a pivotal moment for the Corps' partnership with the Navy ...