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H I Sutton

@CovertShores

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Independent Defense Analysis, Unconventional Naval Warfare, author, submarines, #OSINT , illustrations. Mostly typos

Joined June 2016
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@CovertShores
H I Sutton
2 days
***UPDATE*** First images of Australia’s new 3D printed extra-large autonomous underwater vehicle (XLAUV), the Ghost Shark. 🧵
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2 years
***BREAKING*** Now beyond any reasonable doubt that a #Russian Navy Alligator Class landing ship exploded in #Berdiansk , Ukraine Reportedly a Ukrainian ballistic missile strike. Two Ropucha Class ships also present, observed sailing away as fire raged
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H I Sutton
2 years
How it started. How it's going.
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H I Sutton
1 year
***UPDATE*** Now beyond any reasonable doubt that the type of surface drones used by #Ukraine to attack Russian Navy in Sevastopol today were same as one previous found near the base. #OSINT Reference And
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H I Sutton
2 years
Does this count as ‘quiet quitting’?
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H I Sutton
1 year
***UPDATE*** There is still a massive fog of war surrounding the #Ukraine ️ attack on #Russian forces at Sevastopol. All UNCONFIRMED 3 parts to reports: 1. Reports in Russian media /SM that some Russian navy ships damaged. Reportedly including frigate Admiral Makarov #OSINT
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H I Sutton
2 years
Suddenly the North Korean military appears more dangerous than we realized!!!
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H I Sutton
11 months
How it started. How it’s going Crimean tourist beaches
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H I Sutton
2 years
*** NORD STREAM 2 incident *** /Thread I am getting a lot of questions re #Russian underwater sabotage capabilities due to the leak on the #NordStream2 pipeline off Denmark. I do not have time to respond to media right now (sorry) So just lay out some background reference.
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H I Sutton
7 months
Rare photo of an F-35 fighter plane launching an Ohio Class cruise missile submarine.
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H I Sutton
2 years
Anti tank weapons 2022
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H I Sutton
2 years
***BREAKING*** Substantial #Russian Navy force, including landing ships, advancing on Odessa area today. Seen 09:47 UTC in satellite imagery Found together with @detresfa_
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H I Sutton
2 years
***BREAKING*** -> #Moskva Sinking: Images Reveal Once Powerful Russian Navy Ship On Fire First analysis shows fire aft of Vulkan missiles and ahead of S-300 missiles, Possibly this is before a larger explosion First analysis, caveats apply, OSINT
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H I Sutton
2 years
***BREAKING*** Videos of another important naval action(s) off Crimea today. Possibly #Ukraine hit a #Russian ship in north of Crimea (dark smoke). Then Russian patrol ship near Sevastopol in second images, unclear what is going on Awaiting further clarity
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H I Sutton
8 months
Shoigu: So you took the missile systems we sold you, reverse engineered them and built a bunch of frankenSAMs, and now you want to sell them back to us?!?! Iran: exactly Shoigu: do you accept Rubles? Iran: …
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H I Sutton
10 months
Swedish government accidentally reveals next generation fighter plane to replace Gripen #AvGeek
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H I Sutton
1 year
Japan has a submarine force most navies can only wonder at
@shootat0
SH00tΛT
1 year
ラッキーで埋め尽くして
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H I Sutton
1 year
***BREAKING*** Here-> #Russia Faces New Threat: #Ukraine ’s ‘Toloka’ Armed Underwater Maritime Drone Being an underwater vehicle it is less prone to detection and harder to neutralize with gunfire
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H I Sutton
2 years
***BREAKING*** Here -> #Russian Navy deploys unique 110-year-old ship to investigate Moskva wreck. Likely carrying a DSRV minisub. #UkraineInvasion
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H I Sutton
7 months
***UPDATE*** Indications are that #Russian Navy KILO class submarine has been hit by #Ukraine in Sevastopol. Unconfirmed at this stage. This is a big deal. More info on KILO -> #OSINT Thread 1/n
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H I Sutton
2 years
***NEW ANALYSIS*** The #Russian Navy is on paper one of the most powerful on the planet. Yet it has lost 4 or 5 vessels to enemy action. In a land war, against a country with barely any navy.
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H I Sutton
2 months
*Top 10 coolest planes that got cancelled* Scope: Must have reached at least prototype phase Cancelled, not just losing in competition Not in much order. Thread.🧵 1. Northrop YB-35
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H I Sutton
1 year
***UPDATE*** Thread Slowly information is coming out about the #Russian Navy ships operating around #NordStream before the attacks. E.g. The presence of SS-750 with a DSRV submersible is **highly suspicious** 1/8
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H I Sutton
7 months
***UPDATE*** Thread 1/n Refined likely damage assessment: this is an ex-submarine New photos of #Russian navy submarine hit by #Ukrainian cruise missiles in Sevastopol show damage is even worse than previous noted. Photos appear credible. Pressure hull has massive breaches
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H I Sutton
19 days
***BREAKING*** U.S. Navy Submarine First In World Fitted With Silent Caterpillar Drive #USNavy submarines will take stealth to a new level. American submarines will now be fitted with magnetohydrodynamic drive.
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H I Sutton
2 years
***UPDATE*** #Russia has begun moving air defense systems around in Crimea, possibly to reduce risk of HARM or other #Ukrainian attacks However they are now storing $$$$ of S-300 (/S-400?) missiles in open at Dzhankoy Naval Air Base (45.68899°, 34.41081°) #OSINT today:
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H I Sutton
1 year
2023. It’s only March #DroneAttack
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H I Sutton
1 year
***UPDATE*** Thread New info on Nord Stream attacks confirms Russian Navy ships repeatedly visited area in months / days leading up to explosions Pattern of activity revealed by Nordic journalists from DR, SVT, NRK and Yle #OSINT BBC article, English
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H I Sutton
1 year
***UPDATE*** Since #Ukraine attacked #Russian Navy in Sevastopol on October 29. Russian Navy activity has decreased noticeably This was unthinkable just a few weeks ago, no Russian warships are visible patrolling outside the port Both Admiral Grigorovich frigates in port
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H I Sutton
1 year
***UPDATE*** #Ukraine is quickly gaining a reputation for innovation and ingenuity. Faced with the #Russian invasion, many inventors and small businesses are answering  the call of national defense.... Toloka TLK-150 maritime drone
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H I Sutton
2 years
***BREAKING*** Developing situation, pending updates and clarity Attack on #Russian Navy headquarters today appears to have been carried out by a weaponized commercially acquired drone. Similar attacks have been made in high-value targets in Russia previously #Ukraine #OSINT
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H I Sutton
2 years
Imagine seeing 5 AEGIS destroyers under construction at the same time in a single dry dock in a Western country? And this isn’t China’s biggest shipyard
@HenriKenhmann
East Pendulum
2 years
5 nouveaux destroyers Type 052D sur cale sèche au chantier naval Dalian, l'expansion continue.
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H I Sutton
2 months
***UPDATE*** Reports that Transnistria (part of Moldova) may request annexation by Russia. May trigger action from Moldova with #Ukraine help #Russia realistically unable to intervene, in part because Ukraine has sunk so many of its landing ships in past 2 years Thread 🧵
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H I Sutton
7 months
***UPDATE*** Based on the Airbus satellite images shared by UK MoD, it appears that that #Russian Navy Pr.636.3 Improved-KILO class submarine was hit about here. Downward penetrating warhead may have penetrated main pressure hull, and almost certainly mangled TT etc. #OSINT
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H I Sutton
11 months
***UPDATE*** The recent #Ukrainian attack on the #Russian spy ship Ivan Khurs in the Black Sea has lessons in explosive boat concept. But probably not what you think! Thread 1/10 #OSINT
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H I Sutton
9 months
Expect people to play it down as an old ship etc. But this is major as an individual action, and more so as validating the threat of USVs. That’s how they shape ops. Right now the USV threat is interrupting #Russian plans to board grain ships #Ukraina
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H I Sutton
9 months
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@catncoke
Çat|Sigma’s widower|cat sigma club leader|
9 months
u ever find a ship that isnt illegal in anyway but makes you really uncomfortable 🧍
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H I Sutton
2 years
Someone had to
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H I Sutton
2 years
**OSINT** Controversial Russian Spy Ship Yantar has left its base in Russian Arctic -> Yantar is the 'special mission' ship reputed to be involved in spying on undersea internet cables
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H I Sutton
2 years
***BREAKING*** Updated article at Tonight, Russian Navy warships have been sailing out of Sevastopol. Too soon to say destination but direction Ukraine. There were more landing ships near Crimean coast
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H I Sutton
10 months
***UPDATE*** Iranian warship involved in failed attempt to seize 2 tankers July 5 was Bayandor class. Significant as this is a Iranian Navy warship, not IRGC. Attempt stopped by US Navy
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H I Sutton
2 years
***UPDATE*** Despite #Russian State TV threats of destroying UK (and Ireland?) with a Poseidon nuclear torpedo, the only Poseidon submarine is actually in dry dock. Image from a few days ago but confident Belgorod is still unavailable. The submarine hasn't been commissioned yet
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H I Sutton
2 years
***UPDATE*** 13+ #Russian Navy ships active in Northern Black Sea today. * Includes frigate Admiral Makarov (!) * Landing craft near Snake island Haven't ID'd all of them. Thanks to everyone who pinged me
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H I Sutton
2 years
***UPDATE*** Reports that #Russia is going to get more weapons from Iran to hit #Ukraine , including new types of drone and missile. Russia will be mocked. However, realize that Iranian weapons in these categories are mature and generally good. Not to be dismissed.
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H I Sutton
1 year
***UPDATE*** Here -> #Ukraine 's new maritime drone (USV) with which to strike #Russian Navy in Sevastopol, Crimea and beyond. Funded largely by donations? #OSINT
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H I Sutton
2 years
***BREAKING*** #Iran 's IRGC attempted to take a US Navy Saildrone Explorer uncrewed surface vessel (USV) US Navy patrol boat, USS Thunderbolt (PC 12), intervened. Tow released. Nod @ryankakiuchan
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H I Sutton
2 months
***BREAKING*** Here-> #Ukraine 's sleek new jet-powered attack drone (OWA-UAV) seen for first time, in Russia #OSINT Cutaway:
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H I Sutton
1 year
The only SLAVA Class cruiser left in the Black Sea is,... in #Ukraine
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H I Sutton
2 years
***HOT TAKE*** #Russia has withdrawn from Snake Island. This is important, and it is a significant victory for #Ukraine . Why... Thread. Usual caveats. Alternative analysis welcome
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H I Sutton
2 years
***UPDATE*** Swedish journalists got permission to image one of the Nord Stream explosion sites using an underwater drone (ROV) Caution against listening to the impending wave of explosives experts on Twitter Their article (in Swedish)
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H I Sutton
2 years
BREAKING. Narco submarine interdicted by navy sailing ship! The beautiful tall ship Guayas is a training ship of the Ecuadorian Navy. BZ @armada_ecuador
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H I Sutton
1 year
There is a corner of Twitter which will see this and know that those are for
@louischeung_hk
彩云香江
1 year
Big Truck😎
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H I Sutton
1 year
***OSINT*** Photograph from Sevastopol shows dolphin pens as KILO class submarine passes out of harbour. Defenses increased since this was taken
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H I Sutton
2 years
**UPDATE** Unusual Russian Navy Concentration Seen In Eastern Mediterrean Literally the whole #Russian Navy in Med (that we know of) sailed to Syria this morning, while invasion of Ukraine was unfolding. Two SLAVA class cruisers, DDGs, FFGs, 2 Submarines
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H I Sutton
2 years
Re USV (uncrewed surface vessel) found near Sevastopol Very interesting in a few ways Will pull together some notes and post later. Please bear with me. #OSINT
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H I Sutton
2 years
The flying display for victory day parade was cancelled due to weather? Satellite image today showing clouds...
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H I Sutton
1 year
***ANALYSIS*** The October 29 Ukrainian attack on the #Russian Navy in Sevastopol is historically significant. It is a glimpse into the future of naval warfare See subsequent tweet for link #OSINT
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H I Sutton
2 years
***BREAKING*** Credible drone imagery shows #Ukrainian forces hitting two #Russian Navy Russian Navy Raptor (or BK-16/18 assault boats - all like Swedish CB-90). Possibly linked, two of these were seen heading towards Snake Island / Ukraine on April 27. Might be same pair
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H I Sutton
2 years
***UPDATE*** Beyond any reasonable doubt that the 11,490 ton SLAVA Class cruiser #Moskva has been hit off Ukraine Even Russian sources report it She had been operating in relatively predictable patterns in the Northern Black Sea The close-in defenses on this ship were dated
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H I Sutton
1 year
Secret design leaked: Danish Navy plans to reestablish submarine force
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H I Sutton
1 year
Useful
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H I Sutton
10 months
***UPDATE*** Here -> 1/4 Spy Ship Attacked: Russia Implies Ukrainian/NATO Threat To TurkStream Gas Pipeline This may indicate Russia trying to frame Ukraine for an as-yet unrealized attack on the pipeline
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H I Sutton
9 months
He came from nothing. He conquered everything.
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H I Sutton
2 years
Why do they do this? @DailyMirror stole a viz I did of #Moskvacruiser for @navalnewscom (see ). No ask, no attribution, no link… no respect for hours of others work
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H I Sutton
2 years
***UPDATE*** Credible reports that the #Russian navy project 22870 Rescue Tug Spasatel Vasily Bekh (SB-739) has been hit and sunk by #Ukrainian navy missiles. Short thread on why this is important, aside from obvious morale boost for UKR side
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H I Sutton
3 months
What’s a still from a movie or TV show that will completely devastate anyone who has seen it, but seem completely unremarkable to anyone who hasn’t?
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@Mother_of_Tanks
Mother of Tanks
3 months
What’s a still from a movie or TV show that will completely devastate anyone who has seen it, but seem completely unremarkable to anyone who hasn’t? (I almost couldn’t even post it)
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H I Sutton
23 days
**NEW CUTAWAY** Here-> #Ukraine long range attack drone to strike #Russia made out of plumbing pipe and plastic bottles. The definition of minimum viable product. (MVP)? If it works, it works. #OSINT
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H I Sutton
2 years
***NEW ANALYSIS*** The Ghost Of Snake Island Incredible Success Of Ukraine’s Bayraktar TB2 #Ukraine has shown that they are more potent than many analysts would have dared to imagine. #Russian Navy is being stalked by the Ukraine’s Bayraktar TB2 UAV.
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H I Sutton
3 months
Name a bigger downgrade
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@NoContextBrits
No Context Brits
3 months
Name a bigger downgrade.
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H I Sutton
10 months
Google
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@WillingWitness
Derek Broes
10 months
The VIP visit never include ospreys. These are not political transport. What a crock of crack in the community notes.
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H I Sutton
1 year
This balloon thing is getting blown out of all proportion
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H I Sutton
1 year
***BREAKING*** Reported attack by #Russian maritime drone on Zatoka Bridge, Ukraine, Feb 10, 2023 This is significant. Thread 1 /8 #OSINT
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H I Sutton
1 month
Coolest warship in #NATO ?
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H I Sutton
3 years
Amazing photo of a submerged # Italian Navy @ItalianNavy Type-212A submarine. Taken from an maritime patrol aircraft during a NATO exercise. Photo via @K3_GrafZeppelin
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H I Sutton
6 months
***UPDATE*** Photo circulating of the NewNew Polar Bear, the ship suspected of cutting the Balticconnector gas pipeline and two communications cables with its anchor. Everyone is looking at the (missing) anchor However, look at the containers… #OSINT
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H I Sutton
2 years
***BREAKING*** A previously unreported #Ukrainian USV (uncrewed surface vessel), appears to have slipped past #Russian Navy patrols The device was found on a beach close to the major Russian Navy base of Sevastopol in Crimea. #OSINT
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H I Sutton
3 months
***UPDATE*** Picture of yesterday's #Ukraine raids on Crimea coming together. TARANTUL Class missile corvette Ivanovets sunk in or near Lake Donuzlav. Provisional ID on same ship patrolling there hours earlier. #OSINT Also 6 vessels near headland (nod @bradyafr )
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H I Sutton
1 year
***New Graphic*** -> World Large Submarine Drones Compared, Including Royal Navy Cetus
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H I Sutton
12 days
***UPDATE*** Notable #Ukrainian drone strike ongoing in Belgorod, #Russia , using jet powered drones, like cheap cruise missiles. Main candidates are a Ukrainian jet drone (black one below, ), or British built Banshee. 1/n 🧵
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H I Sutton
1 year
2. There are images of fires on one of the headlands outside the main harbor. Still burning now Hot take: drone (UAV) attacks on something on land
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H I Sutton
1 year
#Ukraine ’s new personal quad rotor transport can carry a single soldier across a river, thus reducing the need for bridges. The soldier release mechanism is the same as for grenades.
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H I Sutton
2 years
***UPDATE*** #Russian ammunition explosions this morning in #Berdyansk , geolocated to 46.749590°, 36.773788° Ropucha Class landing ship seen sailing away from fire Alligator class also observed near fire. Awaiting info
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H I Sutton
2 years
*of interest* 2 suspected #Chinese powerboats, similar to super ‘go-fasts’ used by drug smugglers in Spain, seen 0950-1100 May 19 lurking at Nan'aokou, Taiwan. The crew on the boat are wearing hoods, no fishing behavior. Might be maritime militia? Might be smugglers #OSINT
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H I Sutton
8 months
**UPDATE** Here-> #Ukraine 's new underwater drone (AUV), the Marichka. Among the many large AUV projects around the world, it is probably the first born directly from wartime needs
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H I Sutton
1 year
Hypothetical scenario which comes to mind when hearing Russian calls with UK, France etc #Russia detonates dirty bomb in #Ukraine . Blames Ukraine for ‘provocation’. Then drops tactical nuke in ‘retaliation’ before 1st bomb it attributed
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H I Sutton
2 years
***UPDATE*** Geolocation of Bastion-P (P-800 Oniks / SS-N-26 STROBILE) supersonic missiles launched today against ground targets in Ukraine. 45.390380°, 32.493460° Thx to others for quick info
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H I Sutton
9 months
How it started. How it’s going. In February 2022 #Russia sailed 5 landing ships into Black Sea to support the invasion, including Ropucha class Olenegorsky Gornyak (012) Now Olenegorsky Gornyak has been hit by a USV and is listing to port #Ukraine
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H I Sutton
2 years
***BREAKING*** 2 #Russian Navy warships operating off Danish island in Baltic yesterday Matches broadly with claimed Russian Navy violated Danish territorial waters earlier that day. Denmark has supplied Harpoon to #Ukraine and was hosting a democracy festival on the island
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