anti-submarine warfare – The Defense Post

Mar- 2026 -

19 March

US Navy Eyes More Hammerhead Mines to Counter Enemy Submarines

The US Navy is seeking to increase its inventory of Hammerhead underwater mines under an existing contract with General Dynamics Mission Systems.

18 March

Air

A U.S. Navy P-8A Poseidon flies a routine mission over the U.S. Central Command area of responsibility, Feb. 28, 2025. The P-8A Poseidon is the U.S. Navy’s multi-mission maritime patrol and reconnaissance aircraft, conducting long-range anti-submarine warfare, anti-surface warfare, intelligence, surveillance and reconnaissance. (U.S. Air Force photo by Staff Sgt. Jackson Manske)

Bea Castañeda

P-8 Poseidon: The Backbone of Maritime Surveillance

This guide shows how the P-8 Poseidon fuses sensors, weapons, and networks to power maritime patrol, anti-submarine warfare, and global naval intelligence missions.

Feb- 2026 -

19 February

Americas

Sailors aboard the Arleigh Burke-class guided-missile destroyer USS Winston S. Churchill (DDG 81) maneuver a Mark-54 torpedo to the flight deck.

Rojoef Manuel

Canada Debuts US-Made MK 54 Torpedo in Live Test

The Royal Canadian Navy has tested the US-built MK 54 lightweight torpedo, validating its performance as the latest addition to the frigate fleet’s anti-submarine warfare arsenal.

10 February

Americas

Akhsan Erido Elezhar

Ultra Maritime Charts New Undersea Capabilities at AFCEA WEST 2026

Ultra Maritime is bringing next-gen undersea capabilities to AFCEA WEST 2026, a key US naval and defense expo that highlights the latest innovations in maritime technology.

Jan- 2026 -

15 January

Air

Akhsan Erido Elezhar

MQ-9B SeaGuardian Gains Expanded Sub-Hunting Capability

Sonobuoy is a naval sensor to track submarines, which can be deployed via the MQ-9B SeaGuardian drone, and features Sonobuoy Dispensing System pods.

Dec- 2025 -

5 December

Americas

Ethan M. Encarnacion

Canadian Firm Packs Warship-Grade Anti-Submarine Suite in 20-Foot Container

Canada is making anti-submarine warfare tight and compact, packing a warship’s underwater detection and tracking capabilities inside a 20-foot container.

Nov- 2025 -

25 November

Asia Pacific

The indian Navy's INS Mahe (P80) Anti-Submarine Warfare Shallow Water Craft (ASW-SWC)

Rojoef Manuel

Lead Indian Navy Mahe-Class Anti-Submarine Warship Enters Service

The Indian Navy has commissioned the first Mahe-class Anti-Submarine Warfare Shallow Water Craft in Mumbai.

25 November

Air

Ethan M. Encarnacion

China’s Wing Loong X Takes a Traditionally Underwater Mission Into the Air

China is exploring a new angle in with Wing Loong X, a UAV designed to handle tasks usually carried out below the surface.

Sep- 2025 -

8 September

Asia Pacific

Thyssenkrupp Marine Systems (TKMS) and Indian defense industry representatives signing cooperative agreements. Photo: TKMS

Rojoef Manuel

Germany’s TKMS Teams With Indian Firms to Co-Develop Naval Capabilities

Thyssenkrupp Marine Systems has signed agreements with Indian defense companies to jointly develop and produce naval weapons and anti-submarine warfare systems.

Jun- 2025 -

20 June

Americas

Royal Australian Navy replenishment ship HMAS Stalwarts embarked MH-60R Seahawk helicopter Boomerang conducts flying operations during a transit as part of a regional presence deployment. *** Local Caption *** The Royal Australian Navy is undertaking a regional presence deployment in Southeast and Northeast Asia. During the deployment, HMA Ships Toowoomba, Stalwart and Brisbane demonstrated the Royal Australian Navys ability to execute sustained operations in the deployed environments through superior Replenishment at Sea capability. During this evolution, Stalwart completing her first dual Replenishment at Sea evolution providing HMA Ships Toowoomba and Brisbane with F76 fuel, and F44 fuel for the embarked MH-60R Helicopters. Concurrently, Stalwart launched her embarked MH-60R helicopter, Boomerang, to conduct a Vertical Replenishment of stores and mission-essential equipment to Toowoomba. Regional presence deployments demonstrate Australias commitment to, and engagement with, the region. The deployments play a vital role in Australias long-term security and prosperity by protecting Australias interests, preserving a rules-based order, enhancing cooperation and relationships with regional partners and allies, and developing capability and interoperability.

Christine Casimiro

US, Australian Seahawks Receive Magnetic Anomaly Detection

Sikorsky and CAE are enhancing the anti-submarine warfare capabilities of MH-60R Seahawk helicopters operated by the US and Australian navies by integrating Magnetic Anomaly Detection-Extended Role systems.

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