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41
Marinha do Brasil / Re: Programa de fragatas leves Classe Tamandaré
« Última mensagem por Cabeça de Martelo em Junho 17, 2021, 12:35:07 pm »
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No geral as Fragatas (parecem-me) relativamente bem equipadas, mas ligeiramente armadas. O míssil antiaéreo tem um alcance máximo atualmente algo curto e o míssil antinavio é baseado numa versão antiga de um míssil já no mercado à décadas.

O MBDA Sea Ceptor é o mesmo que equipa as escoltas da Royal Navy. Isso deve significar alguma coisa em relação à confiabilidade.

Significa que é um missil moderno, mas infelizmente a versão que dizem que estas Fragatas vão usar tem um alcance muito limitado (+25km), só para perceberes a questão as novas Fragatas Canadianas vão usar este mesmo sistema como CIWS.

 :arrow: https://www.thedrive.com/the-war-zone/37506/canadas-new-frigate-will-be-brimming-with-missiles

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Em relação ao  Míssil Antinavio Nacional de Superfície (MANSUP) é aquela questão: não é o melhor míssil que há, no entanto é uma arma que a MB pode falar que é sua no sentido global. A Armada Brasileira dificilmente passaria pela mesma situação que os argentinos passaram em 1982, quando dependeram dos franceses para usar o mesmo míssil no qual o MANSUP se baseia.

Com o MANSUP não haverá embargo. Com o passar do tempo, se houver investimento, esse míssil poderá ser aperfeiçoado e ganhar novas versões (lançado por ar e por terra). Além disso, poderá ser exportado o que geraria divisas à Base Industrial de Defesa do Brasil.

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[...] O Reino Unido obteve acesso aos códigos para desativá-los em fase operacional, mas, não obstante as detalhadas informações fornecidas pelo construtor daquela época, a Aérospatiale, sobre as características dos Exocet e sobre seu sistema de pontaria final, o míssil foi mais perigoso do que se temia, e em nenhum momento da guerra os britânicos  conseguiram estabelecer contramedidas eficazes contra ele....

[...]Os Exocets acabavam de chegar da França e, devido ao embargo imposto pela OTAN contra a Argentina, os instrutores franceses não haviam se apresentado para ensinar seu uso aos oficiais técnicos argentinos. Os técnicos da base de Rio Grande tinham em suas mãos essas armas muito sofisticadas, sem saber como usá-las. Não se desencorajaram e 'zeram o possível para aprender todos os seus segredos, lendo os seus manuais, e desmontando e montando algumas partes do míssil.

Quando finalmente os instalaram a bordo dos Super Étendard, não estavam seguros de que eles realmente funcionariam.

 :arrow:  Trecho do livro "A OUTRA GUERRA DO FIM DO MUNDO - AS MALVINAS E “REDEMOCRATIZAÇÃO” DA AMÉRICA DO SUL", autor Osvaldo Coggiola.

Eu sei disso tudo, mas continuo a achar um míssil demasiado limitado.
42
Exército Brasileiro / Re: Notícias do Exército Brasileiro
« Última mensagem por Cabeça de Martelo em Junho 17, 2021, 12:18:25 pm »


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Dozer Attachment
 

The purchase of Leopard AS1 included a dozer attachment for the tank.  This had not been previously provided for Leopards, as the Leopard Armoured Engineer Vehicle, a comprehensively equipped vehicle similar in looks to the Armoured Recovery Vehicle (ARV), was used by most other armies.  The dozer attachment provided a blade, similar to that fitted to the ARV, to be fitted to an MBT with minimal work. Tanks when fitted with the dozer attachment are known as Medium Tank Dozer (MTD).

The dozer attachment consists of the dozer blade with two push arms, two double-acting hydraulic cylinders and the bearing console  (a steel box-like unit) which has the necessary electrical and hydraulic elements to operate the blade.  The blade’s operation is simply up and down, without angling or other operations.   

 



The dozer attachment can be fitted to any MBT which has the necessary short rails welded to the lower glacis plate. Originally the electrical power connection was provided by the removal of one of the driver’s periscopes and connecting the power cable to the slave start receptacle box in the driver’s compartment.  With the purchase of mine clearing equipment and special interface kits, the connection is now via an armoured cover and control box assembly mounted on the left front of the upper hull.

The attachment is fixed to the hull by placing the lower edge into the rails on the lower glacis plate and fixing the bearing console to the hull via the standard tank towing lugs on the upper glacis plate.  An access cover on the bearing console allows the checking of hydraulic oil levels and circuit breakers.  Special headlights are also fitted to the console, the tank’s standard lights being removed.

The attachment weighs around 2100 kg, and provides a blade width of 3250 mm.  Raising and lowering of the blade takes about 10 seconds in each direction.  The blade has no levelling function, therefore its usefulness depends upon the skill of the operator.  The dozer is normally used for the construction of scrapes for tanks when  in defensive positions, or for the preparation of entry/exit points on rivers, or for assisting the preparation of a suitable location for a bridgelayer tank during gap crossing operations.

http://anzacsteel.hobbyvista.com/Armoured%20Vehicles/leopardph_2.htm
43
Marinha do Brasil / Re: Programa de Desenvolvimento de Submarinos (SSK/SSN) - PROSUB
« Última mensagem por Cabeça de Martelo em Junho 17, 2021, 12:12:34 pm »
É o Submarino Nuclear, como tal só será construído quando acabar o actual programa de construção de SSK e houver tempo (€).












44
Armadas/Sistemas de Armas / Re: Armada Russa
« Última mensagem por Cabeça de Martelo em Junho 17, 2021, 12:10:05 pm »
Russia's Newest Submarines Are "On Par With Ours" According To Senior American General
The head of U.S. Northern Command says that Russia's Yasen class submarines are set to present a "persistent proximate threat" to the United States.
BY JOSEPH TREVITHICK JUNE 16, 2021



A senior U.S. military officer has again sounded the alarm about the threat that advanced, very quiet, cruise-missile-armed Russian submarines, as well as Chinese ones, increasingly present to the United States. At a hearing on Capitol Hill yesterday, U.S. Air Force General Glen VanHerck, who is head of U.S. Northern Command and the U.S.-Canadian North American Aerospace Defense Command, told lawmakers that Russia's growing fleet of nuclear-powered Yasen class guided-missile submarines, in particular, are nearly on par with U.S. Navy types in terms of quietness and will present a persistent threat to the American homeland unlike any before within five years. He added that, at its current pace of modernization, the Chinese Navy would not be behind for long in terms of similar capabilities.

VanHerck made these comments before members of the House Armed Services Committee during a hearing on missile defense on June 15, 2021. The general was one of five officials testifying before the Subcommittee on Strategic Forces, the others being Deputy Assistant Secretary of Defense for Nuclear and Missile Defense Policy Leonor Tomero, Missile Defense Agency (MDA) Director Navy Vice Admiral Jon Hill, U.S. Army Space and Missile Defense Command head Lieutenant General Daniel Karbler, and U.S. Space Command chief Space Force Lieutenant General John Shaw.


The Russian Navy's Yasen class submarine Severodvinsk.

"Russia just fielded their second Sev class [submarine], which is on par with ours," VanHerck said at one point, as part of a response to a question about threats that fall below the nuclear threshold that potential adversaries pose to the United States. "Within a five-year period, they'll have eight to nine of those submarines, which will be a persistent proximate threat off of our east and west coasts that we haven't had ever in the past."

The "Sev class" boat VanHerck was referring to was the Kazan, which was formally commissioned into Russian Navy service in May. Kazan is the second submarine in the Project 885 Yasen class, which NATO refers to as the Severodvinsk class after the name of the lead boat. It is also the first boat in a new subclass, known as the Project 885M Yasen-M class. Russia has four more of the multi-mission Yasen-Ms already under construction and is presently planning to build at least eight boats in this subclass, in total.

Earlier in the hearing, VanHerck, in the context of cruise missile defense, another area of growing concern to the U.S. military, in general, had talked about Russian submarines that were "advanced, very quiet, nearly on par with ours." This also appeared to be a reference to the Yasen class.

Severodvinsk, which is set to be the only example of the original Yasen design, has eight large payload tubes that can be configured with different configurations of vertical launch system (VLS) cells to accommodate different types of missiles. Reported loadouts include up to 40 Kalibr subsonic cruise missiles, variants of which are intended to be used in anti-ship and land-attack roles, as well as differing amounts of other weapons, such as the Oniks supersonic anti-ship cruise missile. The shadowy Zircon hypersonic cruise missile could also be part of its arsenal in the future.

The Yasen-M design is shorter, by up to around 40 feet, but reportedly still has eight large payload tubes, allowing it to fire the same mix of existing and future missiles. Reports also say that Kazan and its future sisters lack the large flank-mounted sonar array found on Severodvinsk, but have gained improvements, including to their reactor plant and elsewhere that focus on reducing their acoustic signatures.

The Severodvinsk was already understood to be very quiet, something that General VanHerck has now publicly confirmed. Low acoustic signatures make the Yasen and Yasen-M class designs, which you can read more about in detail here, very hard to detect and track, and then, in the event of an actual conflict, engage.

"In the not too distant future, five to 10 years, China will be in the same position," VanHerck also said during the hearing, referring to similar advanced Chinese submarine developments. This includes the continued development of new variants of the Type 093 Shang class, another modern nuclear-powered type that is reportedly very quiet and can launch cruise missiles from its torpedo tubes. There had been reports that the improved Type 093G version might have VLS cells, but no subsequent evidence has emerged to support this.

General VanHerck's comments yesterday are very much in line with remarks that Navy Vice Admiral Andrew "Woody" Lewis made last year. Lewis was and continues to be the head of U.S. 2nd Fleet, as well as NATO's Joint Force Command-Norfolk. The Navy reestablished 2nd Fleet in 2018 specifically in response to growing threats in the Atlantic Ocean, including from Russian submarines.

"Our ships can no longer expect to operate in a safe haven on the East Coast or merely cross the Atlantic unhindered to operate in another location," he said at a gathering jointly hosted by the U.S. Naval Institute and the Center for Strategic and International Studies think tank in February 2020. "We have seen an ever-increasing number of Russian submarines deployed in the Atlantic, and these submarines are more capable than ever, deploying for longer periods of time, with more lethal weapons systems."

VanHerck's remarks also come just months after the Russian Navy made a dramatic display of some of its submarine capabilities when it had three boats capable of firing nuclear-armed ballistic missiles surface close to each other in the Arctic, an area of growing strategic significance. Knyaz Vladimir, the first and, to date, only in-service example of the improved Borei-A class, another design reported to be very quiet, was among the submarines that took part in that exercise.

The general's comments about both submarines and cruise missiles are also interesting when remembering that the Russian Navy's Project 949A Oscar II class guided-missile submarine Omsk made an unusually public appearance near an outlying part of Alaska last year, sailing on the surface near St. Matthew Island in the Bering Sea. That had, in turn, prompted an equally unusual public statement from U.S. Northern Command (NORTHCOM) that it was monitoring the boat's activities.

The Soviet-era Oscar IIs have a distinctive hullform that is very wide in order to accommodate 24 missile launchers, 12 on each side, in long sections between their inner and outer hulls. Each one of these launchers can be loaded with a single P-700 Granit anti-ship cruise missile, which NATO also refers to as the SS-N-19 Shipwreck. Deep overhaul-retrofits will see these older Soviet-era missiles replaced by more modern ones. Russian has previously announced plans to modernize at least one Oscar II class boat, the Irkutsk, with new launchers able to fire the Zircon hypersonic cruise missile.


A picture of the Oscar II class submarine Smolensk showing the type's distinctly wide-bodied design.

The potential for Yasen and Yasen-M class boats, along with older Russian submarines, as well as various types of surface warships, to carry Zircon is part of separate and growing concerns about the threats that missiles able to reach hypersonic speeds present to American forces. “It’s important that we have that capability now because the hypersonic threat is there now," MDA head Vice Admiral Hill had said at a separate hearing before members of the Senate Armed Services Committee last week in a response to a question about the need for hypersonic defense systems, especially sea-based options to protect Navy aircraft carriers.

At the hearing yesterday, Hill stressed that when he talked about hypersonic weapons, he was talking about a broad category that included missiles tipped with highly-maneuverable unpowered boost-glide vehicles, very-fast-flying air-breathing cruise missiles, and advanced ground-based and air-launched ballistic missiles, which reach extremely high velocities in their terminal phase of flight.

"Dog-leg maneuvers just right off the bat, maneuvering in space, what I call range-extensions," Hill told the members of the House Armed Services Committee in terms of developments just in advanced ballistic missile performance capabilities. "They're all hypersonic when they come back into the atmosphere."

"What used to be a very predictable ballistic profile, that has now changed and it's a challenge to the sensor architecture," he continued. "It's very important that we continue to invest in the sensor capacity that we have against ballistic, hypersonic, and cruise [missiles], because they are converging and they're coming at us across that whole integrated air and missile defense domain."

"I remain concerned about my ability to defend the homeland as our competitors continue to develop capabilities to hold our homeland at risk, from all vectors, and in all domains," General VanHerck had said in his opening remarks at the hearing, where he also raised concerns about non-kinetic threats, such as cyber attacks.

The potential difficulty in detecting Russian Yasen and Yasen-M class guided-missiles submarines, as well as other increasingly quiet designs that Russia and China are developing, combined with the ever-more-advanced weapons they can carry, look to only be further complicating this overall threat picture. As a result, the situation is increasingly prompting warnings from those with the best available information that America's advantage in key strategic areas is eroding.

 :arrow:  https://www.thedrive.com/the-war-zone/41105/russias-new-cruise-missile-submarines-are-on-par-with-ours-says-senior-u-s-general
45
Marinha Portuguesa / Re: U209PN
« Última mensagem por Pescador em Junho 17, 2021, 11:59:12 am »
No post da FA sobre a despedida do ministro para nova missão do "Tridente", consegui apurar que ninguém disse "mar chão".
 

"O Irrelevante ministro da defesa nacional, foi despedir-se do único meio operacional e eficaz da Marinha que está a navegar. O outro está na doca à espera de verba para manutenção.
Há ainda uma fragata a navegar, mas que além de ter 30 anos sem actualizações recentes ainda anda coxa, porque um dos motores por vezes tem dado raia. E uns Patrulhas mal armados e sem sensores de jeito, que dizem fazer combate à pirataria no Golfo da Guiné.
O povinho gosta de ouvir que somos um País virado para o Mar, mas só se for em Carcavelos e Cascais.
O senhor tem mesmo perfil para um dia ser Presidente do bananal."
46
Marinha Portuguesa / Re: U209PN
« Última mensagem por Pescador em Junho 17, 2021, 11:53:28 am »
Um navio da Marinha Italiana a entrar na base naval de Taranto.

Uma Excelente Marinha muito equilibrada e com quase toda a Frota praticamente nova !!!
Um exemplo a seguir por todas as Nações que prezam a sua DN !!!
Claro que há paises que não necessitam de se preparar nem de se defender, acreditam que outros virao para isso fazer........sao os Estados Nulos da Nação, assim como um que conheço mas nao digo para tentarem adivinhar . :bang:

O Estado saloio dos papagaios à beira mar plantado
47
Conflitos do Futuro / Re: China/Taiwan
« Última mensagem por dc em Junho 17, 2021, 11:52:11 am »
Começo a achar que a China já só envia os aviões, com o objectivo de ver se as forças de Taiwan fazem algum disparo, servindo-se então disso como pretexto para uma invasão formal do território.
48
Área Livre-Outras Temáticas de Defesa / Re: Espaço
« Última mensagem por mafets em Junho 17, 2021, 11:51:38 am »
https://spacenews.com/shenzhou-12-docks-with-tianhe-space-station-module/

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HELSINKI — The Shenzhou-12 spacecraft docked with China’s space station module hours after launch from Jiuquan late Wednesday, marking the first crewed visit to the facility.

Shenzhou-12 and its crew of three launched on a Long March 2F from the Jiuquan Satellite Launch Center at 9:22 p.m. Eastern Wednesday.

The spacecraft docked with the Tianhe space station core module at 3:54 a.m. June 17, six hours 32 minutes after launch, the China Manned Space Engineering Office confirmed.


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A view of the Sun on the horizon from Tianhe ahead of the Shenzhou-12 docking. Credit: BACC/CCTV/screenshot

Saudações
49
Marinha Portuguesa / Re: A Marinha Portuguesa e o Zero Naval !
« Última mensagem por Pescador em Junho 17, 2021, 11:51:37 am »
Uma dissertação completamente errada. Aquele "estamos tremendamente bem servidos" então, até dói na alma. Mas também, esta noção errada que têm da Marinha, também é culpa das "relações públicas", da imagem irreal de que tudo está bem assim, e que se cumpre todas as missões (quando não se cumpre). Em momento algum ouvimos falar da disparidade tecnológica face às outras marinhas modernas, vive-se sim numa completa ilusão de que as BD com MLU são meios de combate de alta intensidade (quando não são).


Venho aqui ganhar mais uns dislikes, dizendo que , se calhar interessa o conceito nacional de complexidade saloia a condizer .
É que se for muito complexo dá trabalho e chatice.

Para uns convívios navais basta assim uns desarmados  a acompanhar navios a sério.

Aliás falando de convívios, interessa mesmo é malta vip da BMW e outros amigos " interessantes" irem a uns almoços com golf e orientar umas coisas.

É isto a mentalidade terceiro mundo
50
Força Aérea Portuguesa / Re: Notícias da FAP
« Última mensagem por mafets em Junho 17, 2021, 11:46:29 am »
Deve vir incluído com "secretária" e respectiva "manutenção"... :mrgreen: :mrgreen: :mrgreen: :mrgreen:



Cumprimentos  :mrgreen: :mrgreen:

P.S.


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Esquadra Falcões 201 está em Montanha do Pico.
13 h  ·
🇵🇹 Termina hoje a Operação Atlântida 2021. Um Destacamento Aéreo das Esquadras @201_falcoes e @301_jaguares .
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