Israel's strike on Iran took out missile defense systems, Islamic Republic 'is essentially naked'

Israel took retired 3 of Iran's Russian-made S-300 rocket defense systems during past week's retaliatory strike against nan Islamic Republic, Fox News has learned. 

Israel carried retired nan strategical airstrike connected Oct. 26, marking a important escalation successful nan conflict betwixt nan 2 countries during nan operation’s chosen name, "Days of Repentance." The strikes targeted captious subject infrastructure, delivering some a symbolic and tactical rustle to Iran’s strategical capabilities pursuing Tehran's onslaught connected Israel weeks earlier.

ISRAEL BEGINS RETALIATORY STRIKES AGAINST IRAN FOLLOWING MISSILE BARRAGE TARGETING ISRAELIS

Israeli Air Force planes departing for nan strikes successful Iran connected Oct. 26. (IDF Spokesman's Unit)

The Biden management was informed astir Israel's onslaught successful advance. The targets were chosen successful an effort to nonstop a pinpoint connection to Iran and to degrade its expertise to occurrence ballistic missiles astatine Israel anytime soon.

At nan commencement of nan year, Iran only had 4 S300 surface-to-air rocket systems. In April, Israel took retired 1 of nan rocket systems successful consequence to Iran's first ballistic rocket attack. A elder U.S. charismatic confirmed nan airstrikes took retired nan 3 S-300 rocket systems. 

"The mostly of Iran’s aerial defense was taken out." a elder Israeli official told Fox News. 

On an soul call, President Biden's advisor for nan Middle East, Amos Hochstein, said "Iran is fundamentally naked" pinch nary much rocket defense. 

IT WAS 'WISE' FOR ISRAEL TO NOT STRIKE IRANIAN OIL, NUCLEAR FACILITIES, SAYS FORMER USS COLE COMMANDER

A outer image showing Sharoud Missile Test tract reportedly deed by Israel during its play onslaught connected Iran. (INTELLITIMES)

Israeli warplanes besides took retired aggregate radar systems that are needed to guideline nan aforesaid ballistic missiles that were fired astatine Israel successful April and connected Oct. 1 erstwhile Iran fired 181 ballistic missiles astatine nan Jewish state. Many of nan missiles were destroyed earlier reaching their target, and others caused minimal damage, nan Department of Defense said. 

Removing nan radar systems prevents Iran from firing those missiles successful nan future, a elder charismatic said. 

"Our connection is very, very clear… ‘Any threat, anywhere, astatine immoderate time, we will cognize really to scope it, we will cognize really to strike,’" said Israel Defense Forces Chief of nan General Staff, LTG Herzi Halevi. 

Halevi emphasized that Israel had only deployed a information of its capabilities, suggesting that further actions could beryllium taken should Iran escalate.

Defense Secretary Lloyd Austin has urged Iran not to respond to Israel's strikes. 

Iranian aerial defense reportedly operating arsenic Israel began striking Iranian targets successful Tehran. (Obtained by Fox News)

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"We judge that this should beryllium nan extremity of this tit-for-tat," Deputy Pentagon Press Secretary Sabrina Singh said during a gathering coming pinch reporters. "We don't deliberation that Iran should aliases needs to respond. On Oct. 1, Iran launched nan 200 ballistic missiles that were targeting civilian organization centers. Israel's consequence was targeted astatine subject targets."

"We spot this arsenic a measurement to off-ramp," she added. 

Fox News Digital's Efrat Lachter contributed to this report.