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‘Magen Or’ is the next step up in Israel’s self-defense: a laser system that can ‘cook’ rockets, missiles or drones from afar, and at zero cost compared to the Iron Dome.
By Yuval Azulay, Calcalist
The dream of a new security system that intercepts rockets using a powerful laser, an optical shield, is one that Israel’s citizens can still only fantasize about. However, the development of such a system is accelerating these days in preparation for its deployment in southern Israel.
“I want us to reach a situation that will cause the enemy to completely despair. Let them understand that we have laser pointers deployed where necessary, that the enemy can shoot what they want at us but everything will be intercepted almost at the moment of the launch itself, long before it reaches Israeli territory and threatens someone or something here. In this situation, we may not even have to activate the alarms in Israel. Why would a family from Sderot have to wake up in the middle of the night to run to their bomb shelter if we already intercepted the threats long before they crossed the border? It will be quiet. For us, this is a complete negation of the enemy’s capabilities.”
This futuristic scenario comes from Major Hananel, one of the leaders of the Magen Or (Iron Beam) program under development by Rafael and the Ministry of Defense which is expected to be ready for operational use by the IDF next year.
More than a hundred engineers from Rafael’s Research, Development and Engineering division are currently working on the development of the Iron Beam that will allow the interception of threats such as mortar bombs, rockets, anti-tank missiles, drones, and various other objects, with the precision of a laser, at the speed of light – and at a minimal cost compared to those of the Iron Dome. “We are currently at a peak stage in the full development of the system,” says its chief engineer, Dr. Yochai, who has been working on its development for 17 years. After a long and complicated pregnancy, his “baby” is beginning to take shape.
But Yochai, who has experienced ups and downs in this ambitious plan, is still far from the place where he can afford to rest on his laurels.
A new security age
Rafael and the Administration for the Development of Weapons and Technological Infrastructure in the Ministry of Defense invited Calcalist for a rare first glimpse into the guts of the new defense system that is about to redefine the battlefield. For about two decades, the defense industries have been trying to get their hands on effective technologies that would allow the interception of rockets through lasers, and a sequence of advances and breakthroughs that have occurred in the last five years is going to make this possible.
If there are no dramatic and unexpected last minute disruptions, it is possible that in about a year an innovative weapons system will be deployed in the field that may earn a place of honor alongside the tank, the fighter plane, the rifle and the missile.
At least in the first stages of its life, Magen Or will operate alongside the Iron Dome, which recently marked 12 years since its first operational interception. The division of labor will be clear. Iron Dome will detect a launch towards Israel, the system’s mission computer will analyze in milliseconds the rocket’s flight patterns, calculate trajectory, angles, speed and altitude, and after reaching a conclusion about its estimated falling place, decide whether to intercept it or allow it to fall in an open, unpopulated area. Should interception be required, a powerful energy strike from the Iron Beam can do to a rogue rocket what an expensive interceptor missile has done until now.
The price of a “Tamir” interceptor missile launched by Iron Dome is about $50,000 and sometimes two of these are launched at one rocket that threatens to hit a populated area to ensure its destruction. On the other hand, the price of interception using a laser beam depends mainly on the electricity tariff and, in any case, is negligible.
According to Maj. Hananel, “the initial benefit of Magen Or is in the dramatic improvement in our position in the economic war and in the management of the ‘interception economy’. A laser is simply light, and it is nothing compared to an advanced interceptor missile that costs tens of thousands of dollars. The enemy also knows that we have The Iron Dome. They know its high interception rates and continue to launch rockets and mortars at Israel because they understand it still causes us to rush us to shelters, disrupts our daily routine and occasionally also hits. The enemy understands that for every such cheap and simple rocket they fire, we launch a super advanced interceptor missile that costs a fortune. The enemy is waging an economic war with us and Magen Or will stop it.”
Treatment of symptoms
It has been said before, after the first operational deployment of the Iron Dome 12 years ago, and it is proper to say again now, with the expected entry into the battlefield of a new and groundbreaking system: Israel protects itself knowingly at the expense of stable permanent solutions that can be achieved through political arrangements or through clear and unequivocal military decisions. Meanwhile, instead of curing the infection, Israel continues to flood itself with painkillers.
Hananel, who understands this problem very well, says that at least at the beginning this attitude bothered him too: “I remember the start of the project and yes, I had a difficult moment because I was looking at the long term in the face of the fact that we defend ourselves knowingly and fortify ourselves from all directions. So we have the Arrow missiles and we have the Iron Dome and we have other things that intercept and protect, but in their name we also allow ourselves not to attack or solve our problems in the area.
“So at least Magen Or reduces the economic burden. I assume that a cheap treatment of threats that are targeted using a high-powered laser will allow many resources to be diverted to other needs in the security system or outside of it. Wars are an expensive thing and after each round of combat someone writes a check and someone else pays it. We introduce a very important variable into this equation that will save a lot of money.”
The form of interception using a laser will also be significantly different from the form of interception to which we have become accustomed in the dozen years of the Iron Dome, which brought out the masses to witness dramatic shows of spectacular explosions, white trails and smoke mushrooms in the skies over Israel.
Action fans will be disappointed to learn that the beam that will erupt from Magen Or will not be visible to the naked eye, during the day or at night. The process itself should be silent, because the firing of the beam at the target is not accompanied by the thunder of a missile leaving the launcher, similar to an interception using the Iron Dome system.
Instead of an explosion, the beam directed from Iron Beam at the target rocket will kill it through rapid “cooking” at a very high temperature. The power of the beam is about 100 kilowatts and its diameter is about that of a 10 shekel coin. At the moment, its effective range is estimated at about 10 kilometers, but this is not a final number: “The only thing that makes noise with Magen Or is the huge generator that provides it with the energy it needs to produce the laser beams that it will launch at the targets we intended for it,” Yochai says.
The developers of the system do not say at this stage how long the operation of the laser itself lasts – which is the length of time the laser beam is placed on the intercepted object and “cooks” it at high heat until it is neutralized. And even then, there is no need for an explosion to be heard, because the laser can be placed on one of the rocket’s wings, melt it, throw it off balance and send it spinning to the ground or break it in the air.
Another question to which the development teams refuse to provide an answer concerns the rate of interceptions that the laser beam is capable of delivering within a certain period of time. The answer will most likely be provided by the reality on the ground, and in any case, Rafael says that Magen Or is expected to be another layer in the multi-layered defense system that will operate in a hybrid manner. The ability to direct the system towards different targets in conditions of stormy weather, fog, sandstorms and clouds will range from limited to impossible – which will require in any case to keep the Iron Dome on full alert, as well as its interceptors.
Intercepting objects with a laser is an old fantasy. Israel started looking at this prospect three decades ago and it was not alone. The Americans even developed a system that claimed to be such, called Nautilus, based on a chemical laser, and even demonstrated to the heads of Israel’s security system its interception capabilities. In those days, Israel was looking for solutions to the problem of the Katyushas being launched from Lebanon towards Kiryat Shmona and the north of Israel, and the IDF thought of placing the enormous Nautilus in the Manara area so that it would drop Hezbollah’s Katyushas like flies. This hope was premature and ended in disappointment.
“A chemical laser has only disadvantages,” Dr. Yochai said, explaining the main reason that the Nautilus program became a white elephant and ended up in a scrap heap in the backyard of its manufacturer Northrop Grumman. “It emits toxins into the environment and atmosphere, it is flammable and requires regular care and maintenance. It is tough, it is bad in terms of its transport and mobility on the battlefield, it is limited in the amount of its interceptions, and each loading of the system for additional interceptions costs a lot of money.”
The shattering of the Nautilus dream along with the rise of the rocket threat from Gaza kept Rafael’s engineers at the drawing board until the Iron Dome was developed. While it is intercepting and thwarting, albeit at a high cost, a variety of threats within Israel’s borders, it has provided the defense industries the time needed to dedicate themselves to the difficult development challenges of an interception system based on an electric laser.
Around the table in the discussion room at Rafael’s facility in the north, the developers talk about the scenarios that will one day concern Magen Or. There it is assumed that, like Iron Dome and other systems, it will not be long before it is required for initial operational interceptions, because that’s how it is in Israel, which is considered the world’s largest testing ground for weapons systems.
The long list of scenarios to which Magen Or is intended also includes insights that emerge from the war in Ukraine. Some of them are also related to the Iranian Shahed-136 UCAVs that are used by Putin’s army and wreak havoc throughout the country.
“We look a lot at what has been happening in Ukraine in the last year and I prefer not to go into too much detail on this issue,” Yochai says. “The fact that there are 250,000 rockets, missiles and UCAVs that are aimed at Israel from almost every possible direction also pushes us to tell the story of our capabilities. This is part of the drive, we have to strive for good solutions to complex problems. Show me another country that is dealing with a situation where its citizens are being attacked every day with rockets and mortar bombs like Israel.”
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