First Canadian modernised MK 46 Mod 5A torpedo to be delivered in Q1 2026
Canadian personnel arm an MK 46 torpedo. (Photo: Canadian Armed Forces)
The upgrade of the MK 46 Mod 5A anti-submarine rounds to the MK 54 model will enable the Canadian Armed Forces to maintain the torpedoes in service for the next 25 years.
The Canadian Department of National Defence (DND) confirmed to Shephard that the first upgraded MK 46 Mod 5A (Shallow Water) Lightweight Torpedo will be handed over to its branches in Q1 next year.
The anti-submarine rounds have been undergoing the modernisation process to the MK 54 model since 2022 and are expected to remain operationally effective for the next 25 years.
Currently in the implementation phase, the initiative is scheduled to reach initial operational capability (IOC) in 2027 and full operational capability (FOC) by 2030.
Once this improvement effort is concluded, the torpedoes will feature advanced components to increase fleet
Our news & analysis is now part of Defence Insight®
A Basic-level or higher Defence Insight subscription is now required to view this content.
More from Naval Warfare
-
![Suppliers await next step in Australia’s mine warfare transition]()
Suppliers await next step in Australia’s mine warfare transition
Australia’s mine countermeasure capability remains in flux as the Huon-class nears retirement, but accelerated investment in autonomous systems is opening a path for industry.
-
![Can the US Navy ask Indo-Pacific allies to do more while training with them less?]()
Can the US Navy ask Indo-Pacific allies to do more while training with them less?
As the Iran War draws US ships and marine corps units away from the Indo-Pacific, curtailed exercises and a temporary carrier gap are exposing tensions between Washington’s demand for more self-reliant allies and the joint training needed to realise that ambition.
-
![How could Rheinmetall’s GMF 140 fit with ongoing programmes in North America?]()
How could Rheinmetall’s GMF 140 fit with ongoing programmes in North America?
With Canada committed to its River-class replacement and the USN pursuing a lower-cost frigate, Rheinmetall will need to demonstrate where the GMF 140 can fill a capability gap in the North American fleet.
