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#SilentService - #USNavy🇺🇸⚓️
Programme #VirginiaClass Block V

📸 GD EB.

➡️ Le 7 décembre 2022 (« Pearl Harbor remembrance day ») a été posé la quille du futur SSN-803 USS « Arizona » : 30ième Virginia, déjà, et 2ième Virginia Block V mais sera le premier lancé, a priori.
➡️ Curieux : le SSN-802 USS « Oklahoma » a reçu le numéro de coque précédent mais a vocation désormais à être mis sur cale en second. Sa construction semble bien moins avancée : il n'existe que la photographie d'un élément du massif.
➡️ Les Virginia Block V ont une coque allongée, en raison de l'intégration du Virginia Payload Module (#VPM), portant sa longueur de 115 à 140 m pour un diamètre inchangé de 10 m. Le déplacement en plongée de 7 800 à 10 200 tonnes.
Read 12 tweets
#SubWednesday #Submarines #RoyalNavy #SilentService #SovietNavy #ВМФ #ColdWar
1. In the early 1977, Royal Navy's Swiftsure class leader HMS Swiftsure (S-126) shadowed Soviet Navy's Project 1143 Krechyet class aircraft carrier Kiev during the Northern Fleet's exercise Sever-77.
2. Swiftsure's Captain John Speller ordered the submarine to approach the carrier from behind, moving only a few knots faster than the carrier. As the Swiftsure approched close enough the crew
could only see massive waves created by Kiev's propellers.
3. Swiftsure slipped under the hull of the carrier and maintaing her speed she started to record the noise footprint of Kiev so that
she could be identified by the SOSUS network & other Western submarines.
Read 8 tweets

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