The Israeli Air Force likely has the means to work around Russian electronic warfare and Syrian air defenses, but doing so risks inflaming the growing Jerusalem-Moscow crisis

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Russia’s announcement on Monday that it would be upgrading Syria’s air defenses with its formidable S-300 system within two weeks marked the latest nadir in Israel’s rapidly spiraling relationship with Moscow since the downing by Syria of a Russian spy plane off the Syrian coast last week.

In addition to supplying Syria with the S-300, Russian defense minister Sergei Shoigu also said Monday that Russia would “jam satellite navigation, on-board radars and communication systems of combat aircraft attacking targets in Syria.”

The current crisis has the potential to change that, depending on how it is handled by Israel, Russia and the United States.

Though the actions of Russia are some of the most openly hostile toward Israel since the end of the Cold War, they are still reversible, at least to some degree.

For over five years, Russian has been threatening to sell the S-300 anti-aircraft system to Syria, but has backed off each time at the behest of the Israeli, and sometimes the American, government.

The long-range S-300 — with an operational radius of 250 kilometers (150 miles), according to Russia — is a far more advanced form of the S-200 air defense system that Syria currently employs.

For now, Moscow has said it will supply two to four S-300 batteries to Syria, but is prepared to deliver more if necessary. According to Russian media, the systems will be set up on Syria’s western coast and in its southwest, near the Israeli and Jordanian borders, which are the two areas from which the IAF would be most likely to conduct airstrikes.

Russia has yet to indicate which model of S-300 it intends to sell Syria; there are several, each with its own range of capabilities. Even the lowest quality model’s radar would be able to monitor flights around northern Israel — and potentially civilian flights in and out of Ben Gurion International Airport, depending on where the system is placed in Syria.

The threat of the S-300 and electronic warfare

For Israel, the S-300 would represent a significant but not insurmountable obstacle in Syria, where it routinely bombs Iranian and Hezbollah facilities and weapons caches.

While the S-300, known by NATO as the SA-10, is far more powerful than Syria’s current long-range anti-aircraft system, the S-200 or SA-5, the Israeli Air Force has had decades to prepare for it.

A number of Israeli allies operate the air defense system. The IAF has reportedly trained against S-300 batteries that once belonged to Cyprus, but are now owned by Greece, during joint aerial exercises over the years.

Israel is also the proud owner of a growing fleet of F-35 fighter jets, a model whose raison d’être is stealth. These fifth-generation jets have already been used operationally, the IAF said earlier this year.

And the Israeli Air Force is also famed for its own electronic warfare capabilities. Indeed, in the 1982 first Lebanon War, the IAF used radar jamming against Syria’s Soviet-supplied air defenses, destroying 29 of the country’s 30 anti-aircraft batteries.

Israeli also reportedly used this type of technology in its attack on the Syrian nuclear reactor in Deir Ezzor in 2007, blocking the Syrian military’s air defenses during the raid..

Russia’s plan to use electronic warfare against Israeli “hotheads” — per Shoigu — serves as yet another obstacle and point of consideration for the Israeli Air Force.

According to Russian media, these electronic warfare systems will create a “radioelectonic dome” with a radius of hundreds of kilometers around western Syria and the Mediterranean coast, which would affect not only Israeli planes but also American and French navy ships, as well as civilian planes in the area.

Here too, the Israeli military would likely have a number of technological and operational means to overcome this challenge, but the top brass would have to weigh the use of those measures against the value of the target.

Earlier this year, when Russia was again threatening to arm Syria with the S-300, Israeli officials said the IAF was prepared to target any anti-aircraft system that fires at its planes, regardless of who supplied it or who was operating it.

“One thing needs to be clear: If someone shoots at our planes, we will destroy them. It doesn’t matter if it’s an S-300 or an S-700,” Defense Minister Avigdor Liberman said at the time.