Any truth in this ? or, just LTTE propaganda ? Couldn't find any other reports to substantiate this ..... however, it would be great if trueThe Indian High Commission in Colombo has recently gifted 117 million rupees to the Sri Lankan military to 'rehabilitate' Palaali military airbase following reports of Kaankeasanthu’rai (KKS) harbour will be given to India.
First in India's 'string of pearls'
"If the United States and Canada really detected the foreign submarines, that means they unmasked them. This represents the failure of their military mission," the Interfax news agency quoted a source close to the matter as saying.
A ship built in Avondale from 7 1/2 tons of steel taken from the fallen World Trade Center towers was formally signed over to the U.S. Navy today. ... It is the fifth of 10 U.S. Navy "landing platform dock" ships in the San Antonio class, which are designed to haul Marines and their gear to war.
I read about this incident in the Reader’s digest some time in the 80s. A Catalina seaplane of the royal navy had spotted the taskforce and relayed the warning to the Navy. According to the author that attack ended not as a Pearl Harbor but an ambush and a failure for the Japanese warplanes.one new detail I learnt - we knew the prince of wales and repulse were
sunk by around 80 land based japanese bombers, but the real mayhem and
panic (churchill whining to FDR about threat to india) was unleashed by the
attack on colombo by a force est at 3 battleships, escorts and 5 carriers.
two other british cruisers sent to look were located and sunk and it seems a
small carrier Hermes with 20 planes also fought this task force and sunk somewhere in IOR.
Russia plans purchase of French warship: military chief
"The latest failed launch of the Bulava was caused by technical glitches in the production cycle rather than by faulty design," Gen. Nikolai Makarov told a news conference in the capital of Mongolia.
Makarov said a final report on the causes of the previous faulty test launches would be ready soon, but the date for the next Bulava trial had not yet been scheduled.
The general did not specify who the new manufacturer of the missile would be, but expressed hope that the Russian industry "will tackle the problems and cope with the [production] task."
Makarov ruled out replacing the Bulava missile with the Sineva SLBM on new strategic submarines.
"Sineva is an absolutely different system. [Borey class] submarines are designed to be armed with the Bulava system. If they are to be adjusted to Sineva, they will have to be rebuilt entirely, which would be a costly project," the general said.
A new NHPP mast for subs developed.The IN has reportedly called for tenders for such masts from manufacturers.
Photonics mast, electro-optical sensor suite for attack submarines to come from Kollmorgen
NORTHAMPTON, Mass., 30 Aug. 2009. The Kollmorgen Corp. Electro-Optical Division in Northampton, Mass., won a $7.4 million U.S. Navy contract modification Thursday to build electro-optical components and other submarine sensor systems, as well as eight universal modular masts (UMM) and one UMM interface box unit for the U.S. Navy's Virginia-class fast attack submarine.
The UMM submarine technology program produces a non-hull-penetrating mast that serves as a lifting mechanism for electro-optical sensor suites and four other submarine systems configurations (the photonics mast, the multi-function mast, the integrated electronic mast, the high-data-rate mast, and the photonics mast variant on the Virginia-class attack subs and Ohio-class cruise missile submarine. Each sensor is mounted on one UMM.
Twenty percent of the work will be in Northampton, Mass., 80 percent of the work will be in Bologna, Italy. Kollmorgen should finish the submarine mast work by March 2012.
Awarding the contract were officials of the Naval Sea Systems Command in Washington. For more information contact Kollmorgen Electro-Optical online at www.eo.kollmorgen.com.
Tests underway for toxic metal aboard submarines
By Max Blenkin
TESTING is underway aboard four of the navy's Collins class submarines to assess the extent of contamination by the toxic heavy metal cadmium.
Defence Personnel Minister Greg Combet said cadmium coatings used to minimise corrosion on some recently installed electrical equipment could pose a risk if ingested after handling.
"It's a serious issue and we are taking it seriously and ensuring that the safety of the submariners and maintenance workforce is our top priority," he said.
"We are doing the sampling and testing at the moment on the subs and we will do all of the subs as soon as practicable to identify the extent of the hazard and the best mechanisms for cleaning it up and containing it in the future."
Things are changing today of course - over the horizon radar, UAVs, satellite recce, underwater sonar networks have come a long way, are also no longer the sole property of the US and its allies.Singha wrote:the article differentiates the EU theater from IOR-Pacific in the sense seas in
europe are small and constantly under watch of land based a/c, so room to
move and hide are small - a/c carriers are only in their prime element in the
vast open spaces of IOR and Pacific where they can use the sea room and speed
to evade enemies, attack from unexpected quadrants and disappear again with
impunity.
The Catalina helped, as did the breaking of IJN's radio codes.Paul wrote:I read about this incident in the Reader’s digest some time in the 80s. A Catalina seaplane of the royal navy had spotted the taskforce and relayed the warning to the Navy. According to the author that attack ended not as a Pearl Harbor but an ambush and a failure for the Japanese warplanes.
Lasers Generate Underwater Sound: Potential For Naval And Commercial Underwater Acoustic Applications
ScienceDaily (Sep. 4, 2009) — Scientists at the Naval Research Laboratory are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new acoustic source has the potential to expand and improve both Naval and commercial underwater acoustic applications, including undersea communications, navigation, and acoustic imaging.
Dr. Ted Jones, a physicist in the Plasma Physics Division, is leading a team of researchers from the Plasma Physics, Acoustics, and Marine Geosciences Divisions in developing this acoustic source.
Efficient conversion of light into sound can be achieved by concentrating the light sufficiently to ionize a small amount of water, which then absorbs laser energy and superheats. The result is a small explosion of steam, which can generate a 220 decibel pulse of sound. Optical properties of water can be manipulated with very intense laser light to act like a focusing lens, allowing nonlinear self-focusing (NSF) to take place.
In addition, the slightly different colors of the laser, which travel at different speeds in water due to group velocity dispersion (GVD), can be arranged so that the pulse also compresses in time as it travels through water, further concentrating the light. By using a combination of GVD and NSF, controlled underwater compression of optical pulses can be attained.
The driving laser pulse has the ability to travel through both air and water, so that a compact laser on either an underwater or airborne platform can be used for remote acoustic generation. Since GVD and NSF effects are much stronger in water than air, a properly tailored laser has the ability to travel many hundreds of meters through air, remaining relatively unchanged, then quickly compress upon entry into the water. Atmospheric laser propagation is useful for applications where airborne lasers produce underwater acoustic signals without any required hardware in the water, such as undersea communications from aircraft.
Also, commercially available, high-repetition-rate pulsed lasers, steered by a rapidly movable mirror, can generate arbitrary arrays of phased acoustic sources. On a compact underwater platform with an acoustic receiver, such a setup can rapidly generate oblique-angle acoustic scattering data, for imaging and identifying underwater objects. This would be a significant addition to traditional direct backscattering acoustic data.
Adapted from materials provided by Naval Research Laboratory.
EXcerpt:Boston University Engineers Develop Low-cost, Highly Sensitive Underwater Listening Device
ScienceDaily (May 20, 2005) — Boston -- Jason Holmes, a mechanical engineering graduate student at Boston University and guest researcher at Woods Hole Oceanographic Institute, has devised a low-cost, highly sensitive array of underwater ears that is perking up interest in both homeland security and ocean research circles. Holmes' device -- an underwater hydrophone array designed to be towed by a small, autonomous submarine -- can monitor for ocean-going threats to America's waterways or for sound for ocean acoustics studies.
The array combines sophisticated engineering with off-the-shelf hardware to create a relatively inexpensive but highly sensitive underwater listening device. The prototype comprises six underwater microphones, or hydrophones, spaced inside a 30-foot plastic tube filled with mineral oil. The array tube is filled with mineral oil to create neutral buoyancy, allowing the array to float behind the underwater towing vehicle.
Signals from the hydrophones are captured and stored on mini-disc recorders aboard the unpiloted submarine, which is called Remus. Designed by Woods Hole Oceanographic Institution, Remus looks like a small torpedo and can navigate autonomously underwater around obstacles and through harbors using GPS sensors, sonar, and electronic maps.
AS mentioned some time ago,Japan is cheating by pretending that its flat top amphibious ships are not aircraft carriers.
Looks like the French scored big-time in Brazil with this submarine order and the Rafale purchase.Dmurphy wrote:DCNS wins Brazil submarine contract
http://frontierindia.net/dcns-wins-braz ... rine-order
Memorial to Dundee’s lost submariners
http://www.theaustralian.news.com.au/st ... 77,00.htmlSailors washed off submarine as rescue kept quiet.
I am curious...How do submarines listen to electronic communications while underwater? Do they deploy antennae to the surface?Philip wrote:OZ submariners narrow escape.
http://www.theaustralian.news.com.au/st ... 77,00.htmlThe accident occurred during a five-month deployment through Southeast Asia and the western Pacific, during which Farncomb gathered intelligence by sailing close to foreign coastlines, listening to communications.
the MiG-29K in this respect are more convenient, because the Indians have already ordered 16 aircraft and plans to buy at least 28 cars. As noted Konstantin Makienko, it cheapens the series and allows you to save on development.
Decked fighter aircraft MiG-29K fighters are multirole fighter generation "4 + +" and may be based on aircraft carriers with a displacement of 28 000 tonnes.. They feature an improved glider with a share of composite materials, folding wings, low visibility, increased fuel capacity and other properties. Maximum takeoff weight of MiG-29K is 24500 kg, max speed - 2200 miles per hour, service ceiling - 17,500 feet.
The Jerusalem Post and three other reporters were given the rare opportunity earlier this month to join the Dolphin crew on a routine training exercise
Was the cargo ship Arctic Sea really hijacked by pirates?It's one of the biggest maritime puzzles since the Mary Celeste. In July a Russian-crewed cargo ship vanished off the coast of Finland. Moscow claims it was hijacked. Now one of the accused exclusively reveals a very different version of events . . .
Luke Harding
The Guardian, Thursday 24 September 2009
Rudd government criticizes sub builder
Published: Sept. 28, 2009 at 4:18 PM
CANBERRA, Australia, Sept. 28 (UPI) -- The government is seriously concerned about the company that intends to play a vital role in planning and building Australia's new submarines, a newspaper reports.
ASC, which maintains the existing fleet of six Collins Class submarines that it also built, is performing poorly and badly needs an overhaul, according to a report in the Sydney Morning Herald.
ASC is a wholly government-owned defense company headquartered at Osborne in Adelaide, South Australia. Government plans to sell the business have been delayed because of the current global financial climate.
Criticism in the Herald report over ASC performance has come from unnamed sources in the Department of Defense and the Royal Australian Navy. ''Sustainment of the Collins is a very big contract for a critical national security capability,'' the source said.
The navy is concerned that it is unable to get more than three of the submarines to sea at any one time, the report noted. "There are serious issues and there is a lot of work to do.''
The diesel-electric Collins-class boats were built by ASC, formerly the Australian Submarine Corp., between 1996 and 2003 to replace six Oberon-class boats commissioned between 1967 and 1978. It maintains the six submarines for their operational lifespan under a $3 billion contract.
The Herald report also shows concern over how ASC will be able to carry out its share of the work on three air warfare destroyers being built for nearly $7 billion.
In 2005 ASC was selected by the government, ahead of two other bidders, as the preferred shipbuilder for three new AEGIS-based Australian air warfare destroyers under the Sea 4000 project. The destroyers are scheduled for service in 2013.
The unnamed source also said that despite an international search, ASC has not found a chief executive, possibly because the business is not paying enough to get top talent interested.
The timing of the criticism is crucial for both the government and ASC. In mid August Australia moved a step closer to building the dozen submarines in the country's most expensive ever defense procurement project at nearly $17 billion.
The minister for defense, Sen. John Faulkner, called for a request for tender to complete a domestic design study for the Future Submarine Project, named SEA 1000. The government wants a fuller understanding Australia's domestic design and build capabilities when it comes to letting out contracts for the main work.
"The procurement of Australia's future submarine will be Australia's largest ever single defense project and will form a critical part of the nation's future defense force," said Faulkner.
"Investigations by the Future Submarine Project Office to date have covered a number of diverse areas aimed at developing an understanding of the capability of the international submarine industry."
The Herald newspaper report also comes as Greg Combet, minister for defense personnel, materiel and science, is visiting the United States for a series of meetings on defense, including the Future Submarine project.
Combet will also discuss options for the purchase of 100 Joint Strike Fighters for around $14 billion. He plans to have meetings over issues under the Australian-United States Defense Trade Cooperation Treaty, his office said in a written statement.
Combet will be in the United States until Oct. 6.
