
The Marine Corps not too long ago refined how MV-22B Ospreys can assist anti-submarine warfare throughout an train alongside U.S. and Dutch forces off the East Coast.
Ospreys from Marine Medium Tiltrotor Squadron (VMM) 162 delivered A-size sonobuoys as a part of Atlantic Alliance 2025, in response to a July 10 launch by the 2nd Marine Plane Wing (MAW). The multinational train concerned U.S. Navy and Marine forces, in addition to vessels and plane from the Netherlands, U.Okay. and Canada. The train came about off the East Coast of the U.S. from June 28 to July 15.
“We’re previous the query of whether or not the Marine Corps can contribute to ASW,” stated Capt. Invoice Howey, director of maritime operations for [Commander Submarine Group 2], within the launch. “Now we’re refining how they contribute after which integrating that into the fleet playbook.”
The U.S. and Dutch forces drilled on a Purple Sea intervention situation in response to the Royal Netherlands Navy’s (RNN) official digital journal, Alle Hens (All Palms). Alle Hens reported the Purple Sea-based situation was that of a insurgent pressure finishing up sea and air assaults on coalition companions with drones, ballistic missiles and different weapons on the similar time a rustic supporting the rebels was additionally deploying extra heavy weapons. The Alliance’s activity was to finish the risk, whereas the U.S. and Dutch had been tasked with eliminating the fictional enemy, in response to the RNN’s digital journal.
Throughout Atlantic Alliance, the Marine forces labored to determine doctrine for the service’s increasing position within the anti-submarine warfare battle as a way of enhancing the attain and resiliency of the Theater Undersea Warfare Commander structure, which is constructed round destroyers, fast-attack submarines, maritime patrol and rotary-wing plane, in response to the discharge.

The Marines developed capabilities in expeditionary command and management and distributed sensing and sensor employment, in response to the 2nd MAW launch. The Workplace of Naval Analysis (ONR) additionally supported automated sonar processing and sensor command and management instruments through the train, with the applied sciences permitting Marine Corps methods and platforms to contribute to real-time undersea warfare.
The train adopted a sensible situation based mostly on present threats, in response to Alle Hens. The rebels’ resistance was initially restricted, but it surely finally escalated into conflict with the nation supplying the weapons, stated RNN Commodore George Pastoor, commander of the joint amphibious pressure. The train targeted on pressure integration coaching, bilateral reconnaissance and simulated naval strait transits.
The coalition ships simulated assaults from long-range missiles, plane and submarines whereas protected by a U.S. service strike group (CSG). Then, the train drilled on simulated amphibious operations to preemptively neutralize land targets and navigate a slim strait as safely as doable, in response to Pastoor.Together with amphibious landings by sea and by air, insertion missions had been carried out to destroy missile methods deployed inland.
A complete of 8,500 navy personnel took half in Atlantic Alliance, with U.S. forces being from the Second Fleet and 2nd Marine Division. The U.S. Navy ships included plane service USS George H.W Bush (CVN-77), amphibious transport dock USS New York (LPD-21), amphibious dock touchdown ship USS Oak Hill (LSD-51), cruiser USS Normandy (CG-60) destroyers USS Gonzalez (DDG-66), USS Ross (DDG-71) and USS Mason (DDG-87). Royal Canadian frigate HMCS Montreal (FFH336) additionally took half within the drill.
Together with Johan De Witt and the Maritime Battle Workers, the Netherlands deployed two embarked NH-90 helicopters from the Defence Helicopter Command, the twenty third and twenty fifth Raiding Squadrons of the 2nd Marine Fight Group, and touchdown craft from the Littoral Maneuver Group with an total whole of 600 personnel, in response to Alle Hens. The U.Okay. has not disclosed its participation within the drills however it’s believed a Royal Air Drive P-8A Poseidon participated within the drill.
“Because of this train, we’ve strengthened our Allied interoperability by bringing collectively within the maritime and littoral battlespace a few of our most superior capabilities and ideas of operation.”, stated Vice Adm. Doug Perry, Commander, U.S. Second Fleet, within the launch, “I can’t overstate how invaluable it has been to train right here within the Continental United States, shoulder to shoulder with our allies, from the seabed to area.
Pastoor described Atlantic Alliance as a “mission rehearsal” versus “an train in a fictional world. He stated the train resulted in either side enhancing their understanding of one another’s strategies of operation.
“Everyone knows that the geopolitical scenario has deteriorated. It’s not inconceivable that we are going to turn out to be concerned in a battle. We should be prepared if crucial. As NATO, we would like and may collectively assure safety, and for that, we desperately want one another,” Pastoor stated.
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