The secret is to combine LO modern weapon systems and tactics. The CSP funded improvements includes a data bus connection between a/c weapon system and missile before launch, ability for mid-course guidance based on a/c radar updates, making full use of ASRAAM off-boresight capability and much improved multi-target engagement. The main improvement is a new 128×128 resolution imaging infrared focal plane array (FPA) seeker manufactured by Hughes before they were acquired by Raytheon. This then changed to internal and external, some test fits were made on mock-ups and development aircraft. The missiles will be produced at MBDA’s new £40M Bolton manufacturing and assembly site with engineering activities carried out at MBDA sites in Stevenage and Bristol. The last thing I’d want was extra drag (and a time delay) as the bay doors opened, especially whilst I’m jinking and pulling g’s. Sorry but that’s not how it works. That means that these radars couldn´t be reliably used to guide a missile all the way to the target, and would therefore need missiles with their own seekers to complete the intercept. Asraam on a wing pylon is not stealthy if it were do you think they would have gone to the huge expense of making sure skin panels which are toleranced to very small numbers and that every appature on the airframe questioned any change to the OML of this aircraft is a really big deal. Taildog first emerged in the late sixties as a counter to rapidly manoeuvring aircraft. But as a practical matter they aren’t really mobile in a tactical sense once emplaced. Whatever more advanced radars mean one would do well to remember the situation is correspondingly worse for the less stealthy aircraft. Been on holiday, but just to comment on the F35 launcher capabilities, the Tornado F3 Skyflash launcher was able to eject the weapon throughout the flight envelope: eg, from minimum flying speed to M2+, and between -3 / +7.5g by forcibly ejecting the missile into the airflow while restraining it in yaw and pitch. in which case putting the LO ASRAAM on the outside allowing more meteor on the inside is an acceptable choice? , In 2014, India's defence ministry signed a £250m ($428m) contract with MBDA to equip its Sepecat/Hindustan Aeronautics Jaguar strike aircraft with the company's ASRAAM short range air-to-air missile. It turns out that none of their VHF band radars have the necessary accuracy for the tactic mentioned above. MBDA have shown images of an air dominance role fit of 2 ASRAAM on wing pylons and 4 Meteor in the bay. There is a Russian L band radar that meets the above standard though. The National Interest is another site that has quite a lot of articles on stealth. The trials are the first time a British-designed missile has been fired from the F-35 Joint Strike Fighter, and the first time any non-US missile has been fired from the aircraft. They take the APA calculations for the RCS of the F-35 in several radar bands including the L band, and use the cited 1m2 RCS detection ranges for several different radars to come up with the likely detection ranges for the F-35. , ASRAAM is a high speed, extremely manoeuvrable, heat-seeking, air-to-air missile. This study would examine all guidance and aerodynamic control options. ” I don’t see that it’s going to be super-duper fast, because you can’t outrun missiles // It has to have an ability to carry a payload such that it can deploy a spectrum of weapons. ASRAAM design and features Any future aircraft is likely to incorporate LO features, because why give your opponent a free ride? SAAB states “These radars use leap-ahead design techniques that put them in a class of their own in terms of performance and capability”. Maybe they are going back to the Taildog canister idea? Perhaps we should just leave F35 for strike and a couple of sneaky AMRAAM/Meteor up the enemy’s tail pipe? It equips the RAF's Tornado GR4 and Typhoon. The revolutionary SRAAM was downgraded to a technology demonstrator only. I believe there is a special pilon for ASRAAM on the F35 that allows the aircraft to maintain its low observability whilst carrying 2 ASRAMM. The ASRAAM missiles can be employed to engage targets within visual range (WVR) combat operations with a range of over 25km. See first, shoot first, kill first, as the marketing blurb goes. There were proposals for a ‘trapeze launcher’ to enable safe release from the internal bomb but these were also dropped. Historically, most aircraft shot down were unaware of their attackers until after they were hit. But I am not convinced. One would hope but no signs that the MoD would be funding a GaN update of the Type 997 Artisan 3D radar. This is just one possible scenario, however. The F-35B weapon trials included the Paveway IV precision-guided bomb, which is also used by the RAF. In reality for what f35 brings to the party carrying any external stores should really be the exception rather than the norm. British Aerospace and Bodensseewerk Geratetechnic (BGT) would work on an ASRAAM pre-feasibility to study to complete by the end of 1981. For thirty years radars have used gallium arsenide (GaAs) as transmitter and receiver signal amplifiers. You see a number of video examples of these test on many different a/c on you tube. I’d want a quick rail-launched missile if I had someone on my six. The ASRAAM entered service in 1998 and has since been deployed in at least one conflict. This brings us back to the calculations I mentioned above, based as they are on APAs scenario of wide-angle radars exploiting the F-35s limited-aspect stealth design. The missile gathers target positional data from aircraft sensors including radar or helmet-mounted sight during close-in combat missions when the target is located outside the off-boresight and visual limits of the seeker. Yeah I know but not on f35. The object is not to make the aircraft invisible, just harder to spot. The Vietnam War made it clear that the air-to-air missiles then in use by the USAF were inadequate.  Common components include the very low signature rocket motor from Roxel, the warhead and proximity fuze from Thales. It became clear that there were two basic issues causing the problem. He would have had access to all the classified info.  The USAF looked at the same results and concluded the solution was to design a new weapon to replace the Sparrow. Think we need to be a we bit carefully with terms like stealth and very low observable. It is this long range that makes ASRAAM different, instead of focussing on the extremely short range or within visual range manoeuvrability, the larger rocket motor on ASRAAM enables much longer range shots to be taken. Furthermore, it is likely that the the F-35 will be able to jam both X-band and K-band radars (further reducing their range), as well as as the X-band radio link that allows for mid-course updates to be sent from the fire-control radar to the missile. later in Sep 2015. Hopefully the LO pylon will still happen, the befits of freeing up more internal space are clear. Indeed the only people pitching it as irrelevant are those without such a plane to develop or sell. Raytheon claims the current TPY-2 THAAD radar using the ‘old generation’ GaAs “…track a home run from a ball park from several hundred miles away.”If we take several hundred to mean three hundred, then this range is about 480 km. https://www.flightglobal.com/news/articles/uk-orders-advanced-asraam-weapons-for-f-35b-428544/. These can mean very different things to different aircraft and those nice marketing people will be casual with diffinitions. Simon, A reflective sphere the size of a baseball (diameter = 2.9 inches) has a radar cross section (RCS) of about 0.004 m2. The other is that the rocket motor often burned out long before the missile reached its target (which is common with missiles, a typical motor burn time being around 4 seconds, the missile maneuvering on its velocity energy after motor burnout). At least Meteor will be internally carried, ToC, will see if I can find some links on Vympel but I think it was as simple as that. In this model a strike package intended to penetrate an IADS will be escorted by aircraft armed with anti-radiation missiles such as the HARM family of weapons. AIM 120-C7 AMRAAM will also be available and likely to be carried before Meteor is integrated as part of Block IV (together with SPEAR Capability 3). SRAAM's basic premise is that if pilots wanted to fire when the target was anywhere in front, then the missile should work in those situations. So, a radar-only successful engagement seems problematic. Value for money is ensured through the re-use of components from other MBDA products such as the Common Anti-air Modular Missile (CAMM), whilst also ensuring the benefits of a single IR missile across the fast jet fleet is retained. Various reasons are often cited such as the ending of the Cold War and full realisation of the capabilities of the Russian R-73 missile, but many think this was a smokescreen for issues of finance and defence industrial share. Initial ground testing took place in 1973. Other than Gripen NG I don’t see a single development program of note that isn’t firmly grounded in the low observable with regard to radar camp. The ASRAAM story starts with the Hawker Siddeley Dynamics Taildog. and X-band radars offer finer track, illuminating the targets from angles where the RCS is While this RCS certainly possible, it is lower than is usually used for a baseline number. This design choice, along with its the aircraft´s performance, is basically the nub of APA´s problem with the f-35. Between it and paveway IV we will have replaced the capability of a significant number of weapons with just 2 types. Isn’t it a maximum of 4 ASRAAM on the external pylons? NB// Almost every point I have made is also relevant to APA´s analysis of the A2A capablity of the F-35. The launch tube also contained a rear facing venturi to accelerate the missile clear of the launching aircraft at high speeds. “In reality for what f35 brings to the party carrying any external stores should really be the exception rather than the norm.”. So, this is where the bias or oversight of the APA analysis comes in. Would you be willing to reduce your LO for a fraction of a second reaction time. For example, the now antiquated S-75 Dvina—known in NATO parlance as the SA-2 Guideline—has a 440-pound warhead with a lethal radius of more than 100 feet. the F-35 states “The F-35 is due to reach initial operational capability for land-based operations with the UK in December 2018, but the MoD plans to use the current ASRAAM missile on the Lightning II until 2022. Delayed launch until the aircraft levels out? Firstly the AARGM-ER, Advanced Anti-Radiation Guided Missile Extended Range with $267 million in development funding 2016-20 with current guidance system and warhead of the AGM-88E with a new motor to counter the newer longer range land based AAMs. Secondly, the F-35B apparently won´t be able to carry the AARGM internally, leading to the scenario mentioned above. X-4 missile. On ground they are very large and very loud targets that are going to draw a lot of fire. The US assigned this missile the name AIM-132 ASRAAM. Meteor and SPEAR Cap 3 are currently planned for the Block 4 release. The first extensive use of IR missiles took place during the Vietnam War, where the results were dismal. The ASRAAM warhead is triggered either by laser proximity fuse or impact. By 1992, the MoD had scaled back deployment and quantity options for ASRAAM. It seems far more likely that rather than stealth being irrelevant it will simply become part of the cost to play going forward. It not only the big and expensive radars using GaNs, e.g. The Common Anti-Air Modular Missile (CAMM) would share components with ASRAAM. However, the seekers had a v… had no faith in the common perception of the effectiveness in LO/stealth a/c and was totally underwhelmed by it in light of the new paradigm in radar,IR, computers and AI. Various reasons are often cited including the ending of the Cold War and full realisation of the capabilities of the Russian R-73 missile, but many commentators think this was a smokescreen for financial and defence industrial share issues. Would be a grateful for a little expansion on the Vympel findings? To bring it back to ASRAAM, I think a lack of internally-carried SRAAMs will only be a really pressing issue when the enemy has 5th generation fighters which can be directed by low-band ground-based radars to within a fairly short distance of the F-35s without being detected. The MoU did not force any production decisions but simply committed each party to only developing one or the other type. , As of 31 January 2019 the Indian Air Force is testing the compatibility of the ASRAAM weapons system with the Sukhoi Su-30MKI, and aims to make ASRAAM its standardised dogfighting missile across multiple aircraft types, including the Tejas. These new missiles will have a number of improvements including a new seeker. @Mr.Fred Which is one reason why the USN has Growlers and the USAF has F-22’s. I think that making AARGM-ER a program of record (AARGM with much more range sized for internal carriage on A and C models) you remove some of the cost and complications from the original T3 concepts where one missile was supposed to be an AMRAAM, IR seeker and HARM all wrapped into one. You have the very large and likely very sensitive radars such as Green Pine or the THAAD radar. 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