Iran has introduced its first domestically produced signals intelligence (SIGINT) vessel, the Zagros, as part of a broader effort to bolster naval capabilities and protect key nuclear facilities.
Announced through state media on Wednesday, the unveiling coincides with extensive nationwide military drills involving both the regular armed forces and the Islamic Revolutionary Guard Corps.
The Zagros, described as a corvette-based surveillance ship, represents an unorthodox design for SIGINT operations, which are traditionally conducted by vessels converted from commercial hulls.
Iran unveils Zagros (313), its first domestically built advanced reconnaissance vessel pic.twitter.com/u9N4h0wW2R
— Iran Military (@IRIran_Military) January 15, 2025
According to Iranian Navy Commander Admiral Shahram Irani, the ship is equipped with advanced electronic sensors capable of intercepting, decrypting, and analyzing electromagnetic signals, as well as cyber and intelligence surveillance systems.
The vessel’s integrated mast features ball-shaped radomes housing antennas for radio-frequency signals and satellite communications systems. Admiral Irani emphasized the vessel’s strategic role, calling it “the watchful eye of Iran’s navy in the depths of the seas and oceans.”
The Iranian Navy SIGINT vessel, Zagros which was unveiled today seems to have a radio direction finder antenna installed on the mast top (inside my yellow circle).
It looks like to be supplied by the Chinese company Novker. pic.twitter.com/WFxHKxTDGA— Mehdi H. (@mhmiranusa) January 15, 202
Officials stressed that the ship’s construction relied entirely on domestic resources.
Iran’s ongoing nationwide drills, set to continue until mid-March., featured simulations aimed at protecting key sites like the Natanz nuclear facility from missile and drone attacks.
Iran has reiterated that the exercises are necessary to protect its nuclear infrastructure, which it insists is civilian-focused. However, Western nations remain skeptical of these claims, particularly following the International Atomic Energy Agency’s recent report that Iran’s uranium enrichment levels have reached 60%, far exceeding the limits outlined in the 2015 nuclear agreement.
Recent defeats suffered by Iran and its allies, including Hezbollah in Lebanon, at the hands of Israel have heightened fears that Tehran could pursue a nuclear weapon to reestablish regional deterrence.
Analysts caution that these tensions might also be exacerbated by president-elect Donald Trump’s return to the White House later this month.
Since the U.S. withdrawal from the 2015 nuclear deal under Trump, tensions have escalated over Iran’s nuclear activities. The Biden administration has reportedly considered options, including military strikes, to prevent Tehran from advancing toward nuclear weapons development.
Talks involving European nations, held as recently as January in Geneva, have called for Iran to de-escalate its nuclear ambitions.
