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Thread worth reading👇

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Coming back to my earlier tweet showing the Project 667BDRM Delfin/Delta IV-class Tula (K-114) transiting on the surface with all 16 missile hatches open --> note the difference in the 4 aftmost hatches no. 13-16.
🧵👇

The Lookout (Twitter)

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Project 667BDR Kalmar/Delta III-class SSBN "Ryazan" (K-44) in a drydock.
She was the only Delta III hull with 7-bladed propellers and the flow equalizer fins, which were originally designed to improve the efficiency of the older 5-bladed propellers.
On the other Delta III and Delta IV hulls the flow equalizers fins were removed as soon as the 5-bladed propellers were replaced with 7-bladed, on "Ryazan" however the fins remained installed until the recycling.
H/T to @RSS_40 for doublecheck😉

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Project 671RTMK Shchuka/Victor III-class SSN in Zapadnaya Litsa, Lopatkin Bay, February 1992.
Note the Towed Sonar Array (TSA) cable loading/offloading rig atop the TSA pod (aka "gondola").
Apart from the 3 Project 671RTM(K) Shchuka/Victor III-class SSNs there are also two Project 949A Antey/Oscar II-class SSGNs and 4 Project705(K) Lira/Alfa-class interceptor SSNs.

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Sail of the Project 949A Antey/Oscar II-class SSGN without the escape pod.
Author & date unknown.

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Towed side-scan sonar KLEIN 500 operated by the crew of the Finnish Navy's Katanpää-class minehunter FNS Vahterpää (42), part of #NATO's SNMCMG1, exercise OPEN SPIRIT 2024, Baltic Sea, off Estonia, April 2024.
Photo & info via @EE_EspadaEscudo

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Arleigh Burke-class destroyer USS Fitzgerald (DDG-62) launching RGM-184A Naval Strike Missile (NSM) for the first time from the AB-class during the exercise RIMPAC 2024, July 18, 2024.
More info: https://www.navalnews.com/naval-news/2024/06/uss-fitzgerald-and-hmas-sydney-show-up-with-nsm-at-rimpac-2024/

The Lookout (Twitter)

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Project 667BDRM Delfin/Delta IV-class SSBN Tula (K-114) on the surface with all 16 missile hatches open.
▶️Note the different shape of the 4 aftmost SLBM hatches no. 13-16.
Here's a short🧵covering this particular design solution:
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Probably the two most beautiful naval designs currently out there: French Navy Suffren-class nuclear-powered attack submarine & frigate Amiral Ronarc'h (D-660).
Photo by @MarineNationale via @xaviervav

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"Standby tube 1"
"Shoot tube 1"
"Missile away tube 1"
"Booster ignition"
"Booster separation tube 1, transition to cruise"

A series of shots showing launching sequence of a BGM-109 Tomahawk Land Attack Missile (TLAM) targeted on an Iraqi position leaves the water after being fired from a vertical launch tube aboard the Los Angeles-class Flight II VLS nuclear-powered attack submarine USS Pittsburgh (SSN-720) during Operation Desert Storm, 19 January 1991.
USN photo courtesy of Scott Koen & ussnewyorkcom
@MaslasBros @R_P_one

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2025 thread tracking construction, launch & commissioning events of the Russian Navy units.
Primary focus is on submarines, but surface vessels will be covered as well.
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