divendres, 31 de juliol del 2015
LCS Anti-Sub Warfare Package Too Heavy; 3 Contracts Issued For Weight Reduction Study*
dilluns, 29 de juny del 2015
If Greece exits the euro, what happens to the US base Souda Bay?*
dilluns, 20 d’abril del 2015
Submarines With Wheels, Underwater Blimps, and a New Nuclear Arms Race*
dissabte, 24 de gener del 2015
The US Navy’s New Surface Warfare Strategy: ‘Distributed Lethality’*
January 16, 2015
dimarts, 23 de desembre del 2014
SEIZING THE ASUW INITIATIVE WITH LAND BASED PATROL AIRCRAFT*
dijous, 18 de desembre del 2014
Cuba shift to buoy maritime sector*
divendres, 5 de desembre del 2014
Coast Guard Admiral: LCS ‘an Incredible Ship’ for Drug Interdiction*
dilluns, 3 de novembre del 2014
Philippine Sea Pulls into Barcelona*
dijous, 25 de setembre del 2014
Navy Successfully Tests Norwegian Missile from LCS 4*
dissabte, 20 de setembre del 2014
U.S. Submarines: Run Silent, Run Deep... On Diesel Engines?*
"Underway on nuclear power", radioed the skipper of USS Nautilus in 1955, after taking history's first nuclear-powered attack submarine to sea for the first time. Nautilus's maiden cruise left an indelible imprint on the navy. Her success, cheered on by the likes of Admiral Hyman Rickover, the godfather of naval nuclear propulsion, helped encode the supremacy of atomic power in the submarine force's cultural DNA.
Things were never the same after that. America built its last diesel-electric sub, once the state of the art, not long after Nautilus took to the sea. Not since 1990 has the U.S. Navy operated conventionally powered boats. It's been longer than that since they were frontline fighting ships. For a quarter-century, then, it's been all nukes, all the time. No U.S. shipbuilder even constructs diesel boats nowadays.
That was then. Now may be the time to break up the nuclear monopoly. To wit, imagine permanently forward-deploying a squadron of diesel attack boats, or SSKs, to likely hotspots. Such a force would expand America's silent service, reversing the ongoing slide in numbers of hulls. It would do so at reasonable cost in this age of budgetary stress. A standing East Asia squadron would be close to the action. Likely based in Japan and Guam, it would amplify the U.S.-Japanese fleet's prowess vis-á-vis China's navy and merchant marine. It would empower Washington and Tokyo to deny China access to offshore waters without committing the whole fleet of U.S. nuclear-powered boats to the endeavor. And in the process it would open up new vistas for building and reinforcing alliances.
Greater numbers, middling cost, a heavier punch in battle. That's a major contribution from such humble craft. U.S. submariners' diesel-propelled past could be, and should be, part of their future.
There's nothing new or especially radical about conventional U.S. subs' prowling the Western Pacific deep. They did so to devastating effect during World War II. For instance, the Philippine Islands was home to the largest concentration of U.S. submarines in the Pacific on the eve of hostilities. U.S. commanders squandered a golden opportunity to run wild against transports carrying Japanese troops to invade the Philippines. But their missed opportunity doesn't detract from subs' potential to confound opponents amid Asia's intricate nautical terrain. It's an exception that proves the rule.
And indeed, American submarines vindicated their potential in ensuing years. U.S. Pacific Fleet boats were among the first vessels to return to Asia following the Japanese raid on Pearl Harbor. Ordered to sea while the battle line was still ablaze at Ford Island, they helped dismember an island empire. Empires like Japan's depend on ships to ferry all manner of warmaking materiel—raw materials, foodstuffs, finished goods—hither and yon. Take away seaborne movement and you cut the lineaments binding the imperial enterprise together.
The submarine campaign grew more and more effective as the U.S. offensives undulated across the Central and South Pacific. U.S. Navy, Marine and Army amphibious forces wrested outer islands from Japan, letting the navy position, maintenance and logistics outposts closer to the foe. Submarine tenders—floating repair and supply depots for all intents and purposes—staged support operations westward of Hawaii. As the transpacific campaigns progressed, boats wasted less time transiting to and from assigned hunting grounds. They spent more time strewing the seafloor with enemy merchantmen and men-of-war.
Forward bases, then, offset the tyranny of distance—allowing the submarine force to mount a stifling presence in Asian waters. Wartime prime minister General Hideki Tōjō catalogued submarine warfare among three critical determinants of Japan's defeat—high praise from someone in a position to know.
And afterward? Ravaged by undersea combat during World War II, Japan built an impressive submarine force of its own to help prosecute the Cold War. Japan Maritime Self-Defense Force (JMSDF) diesel boats turned geography to advantage, lurking in and around the straits that pierce Asia's offshore island chains. Crews monitored and encumbered east-west movement between the China seas and the Western Pacific. Soviet skippers often balked at attempting the passage. The JMSDF, in short, forged itself into a lethal weapon for a cold war beneath the waves.
*Article complet fent click aquí. Tot i que el debat de recuperar els submarins dièsel/elèctrics no és nou, el professor James R. Holmes, torna a abordar el tema. Aquest tema, que ha estat gairebé tabú per l'obsessió quasi religiosa per la "all nuclear fleet", es suma a una altra " heretgia" com és l'aquisició d'un tipus de submarí dissenyat a l'estranger: AL JAPÓ! Esperem que facin cas a aquestes tesis, doncs l'equilibri de forces al Pacífic en depèn directament.
divendres, 19 de setembre del 2014
Navy to Conduct Strike Missile Demonstration Aboard LCS 4*
WASHINGTON — The Navy is scheduled to conduct a live-fire demonstration of a Kongsberg-built Naval Strike Missile (NSM) aboard the littoral combat ship USS Coronado (LCS 4) while underway in the Pacific Ocean Sept. 24, a Naval Sea Systems Command spokesman announced in a Sept. 18 release.
The Kongsberg NSM is a long-range precision-strike missile designed to be launched from a variety of ships against a variety of targets. This demonstration is intended to test the capabilities of the Norwegian-made missile from a sea-based platform against a Mobile Ship Target (MST) and provide insights into the weapon’s stated capabilities of increased range and lethality. The Navy does not currently have any acquisition or integration requirements for the NSM aboard any of its ships.
“We saw what the missile could do from a Norwegian ship during RIMPAC [Rim of the Pacific exercise], and now have the opportunity to see it perform from one of our ships,” said RDML Jon Hill, program executive officer, Integrated Warfare Systems. “We’re excited to see what potential the missile has as a possible future warfighting tool for the U.S. Navy.”
The planned live firing demonstration of the NSM will take place under the Foreign Comparative Testing (FCT) program and will act as a demonstration of the ship’s potential to execute an increased anti-surface warfare role. The FCT program is designed to test items and technologies of foreign allies that have a high Technology Readiness Level in order to satisfy valid defense requirements quickly and economically.
The NSM currently is used on Norwegian Nansen Class frigates and Skjold-class missile torpedo boats, and in the Polish Coastal Missile Division. Kongsberg has previously contracted with the U.S. Navy to supply simulation training tools for Navigation, Seamanship, and Shiphandling Training (NSST) programs.
Program Executive Office Integrated Warfare Systems, together with Program Executive Office Littoral Combat Ships, will coordinate the demonstration. In the event of inclement weather or an unfavorable sea state, the demonstration will be conducted Sept. 25.
* Notícia publicada a Sea Power. No és cap novetat que la indústria de defensa Noruega fabrica míssils de gran qualitat, i tampoc és el primer cop que la US Navy s'hi fixat. Les properes proves podrien ser un pas per substituïr els veterans Harpoon
dimecres, 3 de setembre del 2014
US Submarine Fleet to decrease by 25%
Some defense and security links to start off the week:
Reviewing the U.S. Navy’s latest 30-year shipbuilding plan, Stars and Stripes notes that the U.S. submarine fleet is expected to shrink from 55 today to just 41 in 2028. That’s more than a 25 percent decline. Furthermore, the current shipbuilding plan assumes that there will be “$19 billion in annual shipbuilding funds during several of those years — $6 billion more per year than the Navy’s historical adjusted average.” After the plan was released in July, friend of The Diplomat, Rep. Randy Forbes (F-VA) remarked: “The new shipbuilding plan lacks the resources to be anything more than a piece of paper.” Thus, the decrease in the U.S. Navy’s submarine fleet could be even greater 25 percent.
Speaking of Rep. Forbes, he and some of his counterparts inserted language into the House of Representatives’ version of the 2015 National Defense Authorization Act (NDAA) directing the Pentagon to better assess China’s military threat to Taiwan. The NDAA needs to be passed by the Senate before it becomes law.
Over at The National Interest, Flashpoints own Rob Farley has a piece on 5 Chinese military game changers. Speaking of Chinese military game changers, in the wake of China’s latest anti-satellite (ASAT) test, Jeffrey Lewis and Aaron Stein have a podcast discussing the spread of hit-to-kill missiles. Lewis has more on the subject at Foreign Policy.
On ASPI’s The Strategist, Nic Stuart reviews the future of air power.
The Lowy Interperter continues its ongoing debate over how sea-based nuclear weapons will impact strategic stability in Asia.
The U.S. has now declassified every single classified document about the Manhattan Project, the massive WWII program to build the first atom bombs (Hat tip: Federation of Atomic Scientists).
* Notícia publicada a The Diplomat. Una notícia molt més trascendent del que pugui semblar. Els Estats Units podria retallar en la mateixa proporció de portaavions, sense veure's afectada la seva dissuasió convencional.
dissabte, 26 d’abril del 2014
Measuring naval power: bigger ain't always better*
Some ideas are undead. Even false ones are hard to kill. Exhibit A: the conceit that the U.S. Navy is bigger, or stronger, or something, than the next X navies combined. The Naval Diplomat was dismayed not long ago to hear a seasoned scholar of maritime affairs retail a version of this line. She, he, or it contended that the navy is “more powerful” than the next sixteen navies.
Implication: the U.S. Navy could fight an alliance among its sixteen strongest potential opponents with a 50-50 chance of victory — or better. Whoa!
And wrong. Egregiously so. This factoid is nothing more than a tonnage figure. It means the U.S. Navy outweighs the next sixteen (or thirteen, the usual figure bandied about during the 2012 election campaign) navies. That’s all. Framed in those terms, the American advantage doesn’t sound so overpowering, does it? Still less is tonnage a sound basis for decisions about how many and what types of ships you lay down, or what combat systems you build into them.
Now, bulk isn’t entirely meaningless. Indeed, it’s a must for a navy like America’s that journeys and does battle across intercontinental distances. Bigger hulls house more fuel, stores, and ammunition. More storage capacity for bullets, beans, and black oil (as U.S. Navy sailors of a certain, ahem, vintage like to say) means more rounds out the barrel, the ability to undertake longer voyages, and greater time on station once in theater. None of these are minor things.
A navy that displaces more, then, may be stronger than a slimmer opponent. But not necessarily. If tonnage were all that mattered — as our factoid maintains — then the Maersk Line, with its heavyweight container ships, would be the world’s strongest navy. The freighter Emma Maersk, after all, displaces a burly 165,000 metric tons, to the supercarrier USS Ronald Reagan‘s welterweight 103,000. Is the unarmed merchantman stronger than the nuclear-powered flattop because it displaces over half-again as much?
Hardly. You have to look past brute tonnage numbers and other simple metrics to take a navy’s true measure. Though necessary when cruising far from home, size is insufficient.
At most, then, tonnage is an enabler for combat strength. It says little about speed, protection, or armament — the crucial determinants of a warship’s combat efficacy. Still less does it take the tactical setting into account. Operating off foreign shores exposes American task forces not just to an enemy fleet but to an array of land-based weaponry, notably anti-ship missiles, combat aircraft, and short-range patrol craft and submarines festooned with missiles and torpedoes.
Such weaponry forms part of an opponent’s sea power. It can augment even a feeble surface fleet, acting as the great equalizer between a weak local power defending its home ground and a global sea power trying to impose its will thousands of miles from its own coasts. The idea that size is power obscures such disquieting yet inescapable realities. It nevertheless refuses to die. All the more reason why we should drive a stake through its heart — lest lawmakers act on it, making ill-informed decisions about the size and shape of the U.S. Navy.
Speaking of which, think about the politics of factoids. If the U.S. Navy is really bigger than the next sixteen, or thirteen, navies combined, and if aggregate tonnage equals battle strength, then it stands to reason that Washington can enact severe cutbacks to the fleet at little to no risk. Reductions will merely narrow an insurmountable U.S. margin of naval supremacy to something less insurmountable but still overbearing. Is that a message maritime advocates really want to send to those holding the power of the purse?
Enter the Royal Navy. At its zenith, from 1889 to World War I, Great Britain maintained a “two-power standard.” London, that is, sized its fleet to match the next two largest navies put together. If perchance these competitors joined forces, a Royal Navy built to this standard still stood an even chance of winning. Better than even, considering Jack Tar’s fame for seamanship and gunnery. British leaders trusted to human excellence to decide the issue.
Yet they had it easy. Navies were largely symmetrical in those thrilling days of yesteryear. That simplified matters. Size was a decent proxy for fighting power when battle fleets made up largely of capital ships bearing big guns squared off. That was before the era — an era that persists to this day — when small craft could carry armament comparable to that of capital ships. A destroyer couldn’t tote big guns back then. A lowly missile boat or sub can fire munitions comparable to those of a capital ship today — and to the same deadly effect.
It gets worse. Seldom, a century ago, did land-based sea power play much part in naval warfare. The range of shore gunnery was measured in a few miles — an afterthought when you consider the vast scale of the oceans and seas. It made more sense back then to measure fleet against fleet, downplaying external variables like guns mounted on land. No longer do maritime strategists and tacticians enjoy the luxury to simplify problems thus.
You get the point. Assuming the U.S. Navy is bigger and stronger than a consortium of many, many prospective competitors means assuming its margin of supremacy dwarfs that of any past seagoing hegemon — including Great Britain in its prime. Yet the U.S. Navy fleet numbers only 288 as of April 7. If we use the British two-power standard as a benchmark, and starting with a U.S. fleet of 288 hulls, how many ships would our supposedly sixteen-power navy need to meet the standard set by history’s greatest empire? Two hundred? One hundred? Fewer?
Absurd results all. So let’s dispense with foolish one-liners about naval power before they get America in real trouble. Where’s that wooden stake when we need one?
* Notícia publicada a The Diplomat. Tot i que resulta obvi que el tonatge d'una flota no és garantia de victòria, heus ací un article de James R. Holmes per aclarir-ho
dilluns, 14 d’abril del 2014
US House approves Frigate Sale to Taiwan
On Monday, the U.S. House of Representatives passed a bill authorizing the sale of four U.S. frigates to Taiwan, while also officially reaffirming U.S. support for the Taiwan Relations Act days before the 35th anniversary of that legislation. The bill, HR 3470, began with a section underlining the importance of TRA before moving on the specifics of the latest arms sale to Taiwan. “The Taiwan Relations Act has been instrumental in maintaining peace, security, and stability in the Western Pacific since its enactment in 1979,” says the bill’s first clause.
The bill, which was introduced by Rep. Ed Royce (R-CA), the Chairman of the House Foreign Affairs Committee, passed with “overwhelming bipartisan support,” according to a Foreign Affairs Committee press release. In a statement, Royce said that “America’s support for Taiwan has allowed this island nation to realize its full potential.” He added, “It is now more important than ever that we reaffirm our strong commitment to Taiwan and the Taiwan Relations Act.” Accordingly, the newly-passed bill contained a clause wherein Congress “reaffirms its unwavering commitment to the Taiwan Relations Act.”
HR 3470 also authorized the sale to Taiwan of four decommissioned Oliver Hazard Perry-class guided missile frigates, the USS Taylor, USS Gary, USS Carr, and USS Elrod. The four vessels, commissioned in 1984 and 1985, can support both surface-to-surface and surface-to-air missiles. Before the transfer of these vessels becomes official, however, the House bill will also need to pass the Senate and be approved by President Obama.
Taiwan’s Ministry of Foreign Affairs welcomed the passage of HR 3470 in a statement, expressing its gratitude for the move. The statement said the bill displayed Congress’ bipartisan support for “trust and friendship” towards Taiwan. The opposition party DPP also weighed in, with Chariman Su Tseng-chang calling the U.S. security commitment to Taiwan and U.S. human rights advocacy “indispensable beacons of hope to Taiwan.”
With Thursday marking the 35th anniversary of the Taiwan Relations Act, this week is a time of reflection on the TRA—and not just for Congress. Taiwan’s President Ma Ying-jeou gave a speech on the subject via videoconference at an event at DC’s Center for Strategic and International Studies. He called the TRA “a landmark piece of legislation that has laid the cornerstone of the robust relationship between the Republic of China and the United States.”
Ma also commented that when he came to office in 2008 it was his “top priority to improve Taiwan’s relationship with the U.S.” Ma attributed the improvement in cross-strait relations to strong ties between Taiwan and the U.S.: “With U.S. support, Taiwan has been able to improve cross-strait relations and confidently engage Beijing from a position of strength.” This has generally been the U.S. position as well: that providing Taiwan with defensive arms can increase the island’s ability to deal with the mainland on an equal footing.
Needless to say, China does not share this view. Chinese scholars believe that, since cross-strait relations are at an all-time high, there is no need for further arms sales. Of course, China also believes such sales are a direct violation of the one-China policy and in violation of previous U.S. promises made in joint communiques with Beijing. A spokesman for China’s Ministry of National Defense told the press back in March, “We urge the U.S. side to adhere faithfully to the one-China policy … and stop arm sales to Taiwan immediately.”
Accordingly, China responded angrily to the passage of HR 3470. A statement from the Ministry of National Defense complained that “The U.S. side ignored China’s strong opposition, and insisted on passing the bill pushing weapons sales to Taiwan.” The statement further warned that the act “doubtless will seriously interfere in and damage the development of Sino-U.S. military ties and the peaceful development of cross-strait relations.”
The timing was especially awkward, with U.S. Defense Secretary Chuck Hagel just finishing up a trip to China designed to boost military ties between the two countries. In the past, mil-to-mil relations have been the major targets of Chinese anger over arms sales. In response to a 2010 $6.4 billion arms sale, the first of Obama’s presidency, China refused to allow then-Defense Secretary Robert Gates to visit China as part of a larger Asia tour. Should the bill move forward through the Senate and by signed by Obama, China might chose to cut off mil-to-mil contacts in retaliation.
Interestingly, though, the response from China treats the bill as a done deal, even though the bill has currently only passed the Republican-controlled House of Representatives. The statement from China’s defense ministry elides the distinction between Congress and the White House by accusing the “U.S. side” of ignoring Chinese opposition. Such complaints would have been directed more to the executive branch’s foreign policy apparatus than to Congress itself. Since the U.S. Congress is historically very supportive of Taiwan (and very critical of China, especially on human rights issues), it’s dangerous for China to equate Congressional action with White House policy, especially since Congress today is notorious for resisting Obama’s wishes.
*Notícia publicada a The Diplomat. Si bé les fragates de la classe Perry mai han estat el "cutting edge" de la US Navy, a Beijing no ha agradat gaire la notícia.
dimarts, 8 d’abril del 2014
US Navy plans at-sea demonstration of EM Railgun in 2016*
The US Navy has outlined plans to deploy and test a prototype electromagnetic railgun (EM railgun) on-board a joint high-speed vessel (JHSV) in the fiscal year 2016.
The test, which is the first at-sea demonstration of an EM railgun, marks a significant advance in naval combat for the US Navy, as well as the latest in a series of technical maturation efforts intended to provide an operational railgun to the fleet.
Using an electromagnetic force known as the Lorenz Force, the EM railgun technology can rapidly accelerate and launch a projectile between two conductive rails.
Launched at high velocities to achieve greater ranges than conventional guns, the guided projectile maintains enough kinetic energy, while eliminating the need of a high explosive payload when it reaches its target.
The high-energy railguns are designed to be lethal and effective against multiple threats, including enemy warships, small boats, aircraft, missiles and land-based targets.
The navy chief engineer rear admiral Bryant Fuller said that the announcement marks the US Navy's new offensive capability.
"This capability will allow us to effectively counter a wide-range of threats at a relatively low cost, while keeping our ships and sailors safer by removing the need to carry as many high-explosive weapons," Fuller said.
"This capability will allow us to effectively counter a wide-range of threats at a relatively low cost."
In addition to complementing the existing kinetic weapons, the EM railgun will be capable of launching guided, multi-mission projectiles to a range of 110nm.
The cost for each engagement against specific threats is less expensive than comparable missile engagements. Furthermore, the projectile itself is being designed to be compatible with some current powder guns.
Naval research chief rear admiral Matt Klunder said: "The US Navy is at the forefront of this game-changing technology."
The navy is considering JHSV non-combatants for testing the new technology because of its available cargo, topside space and schedule flexibility.
Notícia publicada a Naval Technology. Un graó més en la implantació dels railguns. Caldrà estar atents.







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