Discover and read the best of Twitter Threads about #slbm

Most recents (5)

#CASD - #RoyalNavy🇬🇧⚓️

📸 Royal Navy

Nouveau 🧶 car Nukewatch et le site d’investigation The Ferret proposent des éléments affirmant que la composante océanique 🇬🇧 est tombée à seulement 2 #SNLE / #SSBN opérationnels en 2022 :

▪️ record des patrouilles les plus longues ?
📚 Ashish Dangwal, « British Nuke-Armed Submarine Operates For ‘Record Breaking’ Period; UK Navy Veteran Highlights ‘Threat To Nuclear Weapon Safety’ », The EurAsian Times, 7 décembre 2022,….
➡️ Format #CASD

▪️ 4 #SNLE / #SSBN classe Vanguard.

▪️ 3 injectés dans le « cycle opérationnel » :

- 1 en entretien et réparation,
- 1 à l'entraînement,
- 1 en patrouille.

▪️ 1 hors cycle opérationnel : LOP/LOP(R).
Read 10 tweets
#潜水艦隊 - #海上自衛隊🇯🇵⚓️

📸 국방부 - 18 avril 2022 : 2 tirs successifs d'essai (20 sec. d'intervalle) du #SLBM Hyunmoo-4.4 par le ROKS « Dosan Ahn Changho » (2021) - programme KSS-III.

Un 🧶 car le 🇯🇵 met à l'étude un Système de Lancement Vertical (#SLV) pour sous-marins : Image
📚 « Experiment vessel plans in works as Japan looks to possess submarines carrying long-range missiles », The Yomiuri Shimbun, 30 octobre 2022,….
➡️ Le budget dévolu à la FY2024 contiendra les crédits nécessaires au lancement de la construction d'un sous-marin lance-missiles expérimental - pour reprendre un vocable français - devant servir à étudier l'intégration d'un
Read 12 tweets
Was hat #Russland überhaupt an einsetzbaren Nuklearwaffen? Es ist deutlich weniger als ihr denkt.
#SLBM an U-Booten haben wir bis zu 5 der neuen #Borei mit je 16 R30 (SS-N-32 #Bulawa, RSM-56 Alternative Bezeichnungen) mit je bis zu 6 Sprengköpfen.
Dazu kommen 7 #DeltaIV mit 1/x
Je 16x R-29RM (SS-N-23 #Skiff) mit je bis zu 6 Sprengköpfen.
Dazu soll noch ein #DeltaIII (Status fraglich) im Dienst sein mit 16xR-29RL (SS-N-18 #Stingray mit je einem Sprengkopf. Das noch existierende #Typhoon (offiziell 20x Beluwa) wird nur als Testplatform genutzt und 2/x
Soll nicht mehr einsatzbereit sein, dazu eh gen Ende des Jahres ausgemustert werden.
Daher sind maximal 228 Raketen mit 1288 Sprengköpfen möglich.

Wenn eine Rakete mehrere Sprengköpfe trägt nennt man das #MIRV. Hier gibt es aufgrund der Verträge Maximalzahlen der MIRVs je 3/x
Read 15 tweets
So, France did a #SLBM-test early today, launching an M51 SLBM from an area south of Brest near the French coast, towards the Caribean.
Based on navigational warnings, I created this map. Line is a simple ballistic trajectory. Range aimed for ~6000 km.… ImageImage
I just noted that the impact area wasn't entirely to scale (that is a quirk of QGIS sometimes). Here is an updated version where it is:
@wslafoy Image
I see a new book by @ArmsControlWonk coming where a French SLBM test fired towards Florida triggers a nuclear war....
Read 3 tweets
A few days ago I tweeted about #Trident-II 5D #SLBM tests and their range. But how about apogees?
One informative test was that of 10 September 2013. This one was observed, by accident, and these observations learn us a lot. Here is a thread with an analysis.
On 10 September 2013, German photographer @JanHattenbach was making a photographic time-lapse of the night sky at the island of La Palma, when something odd streaked through his view. Here is a time-lapse movie of the event, courtesy of Jan:
At the time, as Jan was wondering what he photographed exactly, I suggested that this might be a ballistic missile test. Which was shortly after confirmed, when the US Navy acknowledged a Trident-II 5D #SLBM test that night.
Read 12 tweets

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