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Continental Defence Corvette

The USN and RN are generally pulling back on that for large ships. It really only makes sense on smaller drones that are effectively mobile sensor suites.

USN crewing model is generally not a good comparison anyway, as they are far more bloated by comparison to everyone else with 'one job per sailor', where everyone one else trains their crews for multiple roles. The flip side is the USN has people that are outstanding at that one thing they do, but they can afford to have another 50% crew for the same kind of capability.

You are right on them pulling back on large ships. They are, instead, producing lots of small vessels for high seas work. Before a vessel needed to be big enough to supply a comfortable ride if a crew was to be at sea a long time. Even if it eas only going to carry one system like a sonar array. Now they aim to attach an electric tug that will follow a route and come to the surface every couple of weeks to be refuelled from a mothership/tender.

I am assuming that communications across the air/water membrane are via all those very small usv sensors. They supply a multi-nodal parallel comms system with lots of redundancy.

As I noted above even old oil tankers are being employed as drone motherships. Lots of workboats, both commercial and Coast Guard, would be available to support those types of operations.

The next question is: Do you need big targets/ships?

You need large vessels to transport goods and materiels but why would you risk hundreds or thousands of lives if you didn't have to? Fly passengers and keep crews to a minimum. If you want to use a hull as FUP/FARP then fly the passengers out to the ship and launch them as soon as possible so that they are at risk for the shortest possible time.
 

Proteus is seen as a key component of the Bastion strategy and an alternative to crewed rotary wing support to smaller combatants like the corvettes.
 
No. They are not talking about 5 or 6 ships. They are talking about the majority of the platforms in the North Atlantic as being remote/autonomous.

The 5 or 6 OSVs are motherships to support the XLUUVs and the Rattler USVs. Most of the sensors defining the maritime picture are to be supplied by civilian companies.

"Phase 1 – ATLANTIC NET

Delivering “ASW as a service” through a Contractor Owned, Contractor Operated, Naval Oversight (COCONO) model. “Lean crewed, remotely operated or autonomous uncrewed systems, delivered by an industry mission partner,” will gather “acoustic data, triaged by AI/ML algorithms,” then transmit it to a “secure Remote Operations Centre (ROC) for analysis by RN staff.” This setup aims to “significantly increase mass and persistence at sea whilst releasing traditional RN platforms for other tasking.”"

This is the 2029 stuff. To work with what is already available. Our AOPSs can easily slot into that role. The Danes are buying another 4 or 5 similarly roled vessels.




Type 83 - an outgrowth of the Type 26 to replace the Type 45s, a manned C2/AAW ship of 10,000 tonnes

Type 91 - an autonomous/semi-autonomous "missile barge" similar in concept to the Dutch barges which displace 500 tonnes
- up to 6 Type 91s for each Type 83, with crews of 6 to 12 normally and 32 strike length missiles plus sensors.
- 2 year build time in any commercial yard.

The Dutch are supposed to be launching their optionally/minimally manned missile barges this year to accompany their AAW ships.


Type 92 - an autonomous ASW "sloop" that takes its inspiration from the Flowers, another simple to construct civilian hull that can be built in many small yards
- it will also act as a comms link with the Type 93s

Type 93 - an autonomous XLUUV similar in concept to the Ghost Sharks being supplied to the RAN and USN by Anduril from a new factory that will be procured in their dozens.
- they will carry, tow and deploy sensors as well as mines and torpedos.

In addition the RN is deploying the Rattler USVs, autonomous 7m RIBs for both domestic coastal work and expeditionary work. They will be controlled from both motherships and from land. 10 million UKP is to buy 20 of them initially for operational development. Domestically they can be used to shadow vessels transiting UK waters.


....

That is the RN

The USN

"On 28th July, the US Navy issued an urgent requirement to industry for a new class of modular, medium to large-sized Uncrewed Surface Vessels. This is not another experimental project but a funded, credible and determined drive to add mass and lethality to an over-stretched fleet."

...

"The new request for proposals to industry was issued this week by US government outlines a plan to field prototype ‘mass producible’ USVs within a dramatically compressed timeline.

"Rather than spending years refining bespoke ship concepts, the Navy wants platforms that prioritise rapid delivery, commercial adaptability and modularity. The vessels must be able to operate without crews, carry significant payloads in standardised container form, and perform military missions in demanding open-ocean conditions. In short, the Navy is no longer experimenting, it’s buying.

"The MASC programme represents a significant departure from business as usual for the USN, aiming to avoid the ‘exquisite platform’ mindset, heavily engineered ships developed over a 10-15 period at high cost and often tied to fragile specialist supply chains. These vessels are still the vital core of the fleet but in the two decades, the USN has struggled to design and deliver conventional warships, with the Zumwalt-class destroyers, Littoral Combat Ships and Constellation-class frigate programme all having serious issues. Instead, the new USVs will be developed under Other Transaction Authority (OTA), a mechanism that allows for rapid, flexible contracting outside traditional acquisition processes.

"This model is designed to attract non-traditional suppliers, encourage creative prototyping, and deliver usable platforms quickly. The programme is being viewed as a test case not just for uncrewed systems, but for broader reform across the US defence procurement. Importantly, the Navy is not asking for a demonstrator but a scalable, production-ready prototype that can lead directly into quantity procurement. The emphasis is on repeatable manufacturing, not one-off custom builds."


  • The Navy’s program of record LUSV. The Navy envisions these LUSVs as being 200 feet to 300 feet in length and having full load displacements of 1,000 tons to 2,000 tons, which would make them the size of a corvette.
  • Unmanned Surface Vessel Division One (USVDIV-1) has stewardship for two surrogates for LUSVs, the Ranger and Mariner, as well as two MUSV prototypes, Sea Hunter and Seahawk. The Navy was sufficiently confident in the operation of its LUSV and MUSV prototypes to deploy them to the international Rim of the Pacific (RIMPAC) 2022 exercise.

....

Unmanned technology packets are being deployed. Without security. A lot of the technology is being provided by commercial suppliers because the open market has better technology and is faster to adapt to changes. And it is available to anybody.

AESA was a big selling point with the F35. it was the first that many of us had heard about the technology. It was novel.
When Jean Chretien signed up for the JSF project.
In 1996.
30 years ago.

AESA panels are now being mass produced and stuck on ground vehicles ranging from Razors to tanks, as well as UGVs. They are also being mounted on RWS systems like the Aussie Slinger from EOS.

As for weaponry, everybody and her brother is building new flying bombs these days.

Anything that actually makes it to the water is likely to be obsolete by the time it gets there in any case.

....

Final thought - old oil tankers are acting as motherships for drones. How many drones could be supervised from a single workstation in a Halifax CIC? An AOPS?
The Offshore Support Vessel is the only one of these that is a multi-purpose vessel with AESA radar, anti-ship missiles, embarked UAVs/helicopter capability, etc. This is the level of autonomy that I'm saying is overreach.

The Type 91 is a single purpose arsenal ship that will accompany the Type 83 not perform independent operations. The Type 92 Sloop is a sensor node only (I have my doubts about the mention of ASW torpedoes...how likely are they to get close enough to an enemy sub without being targeted themselves. Even crewed warships are not prioritising these as a key weapon system). The type 93 as a AUV is a different class all together as sub-surface systems are nowhere as easy to intercept by an enemy.

To my mind the primary maritime threat to Canada is enemy submarines. The River-class are good ASW platforms. I continue to push for the CDC's to have an ASW capability. I'd also love to see the AOPS have the ability to embark some sort of ASW weapon to complement a containerized towed-array system. We have the P-8's and MQ-9Bs. Finally we have the Canadian Patrol Submarines coming.

What I'd personally like to see to complement all of the above is some XL-AUV's along the lines of the Orca/Ghost Shark to supplement our submarines. The AOPS could deploy medium-sized AUV's like the Cellula Guardian and finally we could have these manned by the Reserves to deploy quantities of smaller gliders in areas of concern when required:

1768173900614.png
With the massive maritime domain we have to protect I'd get as many aerial ASW assets as possible to prosecute the targets these sensors detect as they can cover much more space than surface or sub-surface systems.

After all of the above I'd look at minimally-manned arsenal vessels to supplement the AD capability of the River-class destroyers if/when required.
 
You are right on them pulling back on large ships. They are, instead, producing lots of small vessels for high seas work. Before a vessel needed to be big enough to supply a comfortable ride if a crew was to be at sea a long time. Even if it eas only going to carry one system like a sonar array. Now they aim to attach an electric tug that will follow a route and come to the surface every couple of weeks to be refuelled from a mothership/tender.

I am assuming that communications across the air/water membrane are via all those very small usv sensors. They supply a multi-nodal parallel comms system with lots of redundancy.

As I noted above even old oil tankers are being employed as drone motherships. Lots of workboats, both commercial and Coast Guard, would be available to support those types of operations.

The next question is: Do you need big targets/ships?

You need large vessels to transport goods and materiels but why would you risk hundreds or thousands of lives if you didn't have to? Fly passengers and keep crews to a minimum. If you want to use a hull as FUP/FARP then fly the passengers out to the ship and launch them as soon as possible so that they are at risk for the shortest possible time.
Probably for the same reason carrier strike groups have large screening groups around them for active defence. You could have drones augment it, but hard to do away with it.

Automation past a certain point also costs an absolute fortune to build and maintain, so actual combat recoverability still needs a lot of people. There are a lot of people needed as soon as you have anyone onboard, so very difficult to realisitically do.

Drones work much better as planes/subs because you can't board them and take them over, and at a certain point people should be in the loop.
 
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