Reuters carries this news item, beginning with the following paragraph:

Iran is sending advanced weapons and military advisers to Yemen’s rebel Houthi movement, stepping up support for its Shi’ite ally in a civil war whose outcome could sway the balance of power in the Middle East, regional and Western sources say.

(emphasis mine.)

I'm very jaded and skeptical about claims by the US and its allied regarding use of arms by middle-east regimes they don't like (e.g. Iraq WMDs). The US has been quite hostile to Iran, especially with the Trump administration reneging on the JCPOA agreement and their amped-up rhetoric against the Iranian regime. The US is also allied to Saudi Arabia, which it is arming and otherwise supporting in its military campaign in/against Yemen; and Iran is kind of a nemesis for SA (perhaps also in the Sunni-vs-Shia aspect).

So, you can understand my skepticism. But just because some parties are biased does not mean their claims are invalid. What credible evidence is there, if any, for the claims of funding and arming by Iran of the Yemeni Houthi movement?


  • I'm differentiating arms or funding from diplomatic support, rhetorical encouragement, favorable trading conditions, freedom to conduct foreign affairs etc - which are also a kind of support, but of different significance/intensity.
  • See also the relevant section of the Wikipedia article on the Houthis.
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    "The US is also allied to Saudi Arabia, which it is arming and otherwise supporting in its military campaign in/against the Yemeni rebels; and Iran is kind of a nemesis for SA (also in the Sunni-vs-Shia aspect)" the fact the Houthis are pro-Iran Shia is actually the reason that the Saudis are involved, not the other way around.(of course your question regarding the actual arming is still a good one)
    – user19831
    Dec 8 '18 at 20:12
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    @Orangesandlemons: Saudi Arabia has been meddling in Yemeni affairs for many decades, well before Iran even became an Islamic republic. Now, it's not been the only culprit here - Nasser's Egypt also intervened in Yemen - but I disagree with the line of causality you draw in your comment.
    – einpoklum
    Dec 8 '18 at 20:53
  • @Burt_Harris: I don't buy the "we'd tell you but we'd have to kill you" attitude... but regardless, I disagree that a question asking for credible evidence can only solicit opinion.
    – einpoklum
    Dec 10 '18 at 0:58
  • The problem is who defines "credible evidence", you haven't specified the standard which you are seeking. Edit your question and I'll reconsider. Dec 10 '18 at 1:26
  • I'm less skeptical about the facts of the claims as much as wondering why Iran would not be entitled to doing the same sort of thing that the USA and western European nations have been doing for ages, especially when we did it to Iran, specifically, with our own installed proxy/puppet regime. Dec 10 '18 at 21:15

Most western governments claim to have evidence of Iran military involvement in Yemen, including weapons shipments, that they keep classified.

However, here are some concrete elements of proof that have reached the world's medias. How decisive they are is up to you; Western governements', Saudi's and Iran's reactions about them have widely differed.

2013 : Ship Jihan I

Yemeni authorities have seized an Iranian boat full of weapons:

Yemeni authorities point to the “Jihan 1” as evidence of Iran’s support. The ship was seized by Yemen in 2013, smuggling weapons from Iran to local insurgents. The Yemeni official showed Reuters a breakdown of the cargo, which included Katyusha rockets M-122, heat-seeking surface-to-air missiles, RPG-7s, Iranian-made night vision goggles and “artillery systems that track land and navy targets 40km away”.

But of course:

Iran denied any connection with the arms found on Jihan 1.

2015 : UN 'secret' report

In April 2015, a report by UN expert was transfered to the Iran Sanction Committee but has leaked to the medias (notably French AFP) and been widely reported.

Studying evidence that includes afore-mentioned Jihan I, it suggests that weapons were delivered by sea from Iran to Yemen "at least since 2009":

Les informations recueillies "suggèrent que le cas du Jihan suit d'autres livraisons par mer au Yémen que l'on peut faire remonter au moins à 2009", indique le rapport que l'AFP a pu consulter.

In English:

The collected informations "suggest that the Jihan case follows other shipments by sea to Yemen that can be dated back at least to 2009", says the rapport AFP could consult. - my translation.

2017: new UN report

On dec 1, 2017, Reuters says it has had access to another report, dated nov 24, 2017:

Remnants of four ballistic missiles fired into Saudi Arabia by Yemen’s Houthi rebels this year appear to have been designed and manufactured by Riyadh’s regional rival Iran, a confidential report by United Nations sanctions monitors said.

The existence of the report was confirmed on dec 13, 2017, when the UN Secretary General Antonio

Guterres said in a report to the security council that the United Nations was investigating Iran’s possible transfer of ballistic missiles to Houthi Shia rebels in Yemen that may have been used in launches aimed at Saudi Arabia in July and November.

2017 : Remnants of ballistic missiles shown in Bolling Air Force base in Washington.

On Nov,14,2017, Nicky Haley presented short-range ballistic missiles that are said to have been built in Iran, delivered to Houthis and fired in Yemen.

Standing in front of segments of two missiles, which US officials say were fired recently by Houthi forces at Saudi Arabia, Haley said: “As you know we do not often declassify this time of military equipment recovered from these attacks but today we are taking an extraordinary step of presenting it here in an opening setting.”

“In this warehouse is concrete evidence of illegal Iranian weapons proliferation gathered by direct military attacks on our partners in the regime,” she added, saying that representatives from other countries had been invited to inspect the evidence at Bolling.

Sure, US officials displaying proofs of enemy weapons is taken with a bit of salt at least since Colin Powell... Guess what Iran's comment has been ?

The Iranian spokesman at the UN, Alireza Miryousefi, said the evidence was fake.

He said: “We categorically reject it as unfounded and, at the same time, irresponsible, provocative and destructive. This purported evidence, put on public display today, is as much fabricated as the one presented on some other occasions earlier.”

  • 1
    First - thanks for the effort to compile this. It's certainly better than the vacuous phrases we mostly hear in the media. Indeed, these pieces of evidence have something in the middle between no-credibility and full-credibility. The most interesting part here, AFAIAC, is the "secret" UN reports. Isn't the UN supposed to be transparent, with no classified documents?
    – einpoklum
    Dec 10 '18 at 10:28
  • If you ask the bit about UN in a separate question, that is an interesting topic to investigate...
    – Evargalo
    Dec 10 '18 at 20:49

A recent study by the Global Initiative Against Transnational Organized Crime claims that Iranian weapons made it to Somalia via the Iran-Yemen route. According to its report entitled AN IRANIAN FINGERPRINT? Tracing Type 56-1 assault rifles in Somalia:

As the GI-TOC has previously reported, at least one Somalia-based trafficking network is intricately involved in the maritime transfer of SALW [Small Arms Light Weapons] from Iran to the Houthis. However, over the course of the current study the GI-TOC has established for the first time that weapons originating in the Iran–Yemen arms trade are being trafficked onward into Somalia itself. Over the course of eight months, GI-TOC researchers documented over 400 illicit weapons in 13 locations across Somalia. The documented materiel included 38 Type 56-1 assault rifles – Chinese-manufactured AK-pattern rifles – that had likely originated in Iranian arms shipments to the Houthis. The majority of Type 56-1 rifles documented in this study were found in Puntland, a semi-autonomous region in northern Somalia which has historically functioned as the gateway for illicit weapons into the country. However, the GI-TOC documented Type 56-1 rifles as far south in Somalia as Dolow, a town bordering Ethiopia.

The above quote lays out the accusation in the study, namely that Chinese-made weapons were trafficked from Iran to Somalia via the Iran-Yemen route. The study is based around an analysis of the serial numbers, but it provides more information that points to Iranian involvement (quotes may be somewhat out of context, but I'm trying to provide the relevant excerpts from the report):

In a January 2021 report, UN sanctions monitors cited testimony from an arrested Yemeni arms trafficker who claimed to have received maritime training in Iran and to have subsequently participated in several trafficking operations, during which weapons originating in Iran were trans-shipped off the coasts of Oman, Djibouti and Somalia. The alleged trafficker further stated that the cargo would then be transported either to ports in Al Mahrah Governorate, where another network would smuggle them overland to Houthi-controlled areas, or directly through the Bab-el-Mandeb strait to ports on the Red Sea.

Ascertaining Iranian involvement in these trafficking operations is difficult, but three seizures carried out by the USS Monterey (2021), the USS Jason Dunham (2018) and the USS Winston Churchill (2021) all provide strong circumstantial evidence.

Each of these seizures is then discussed in the report, including inventories and pictures of the seizures. I will not repeat those here.

Based on comparing serial numbers of the weapons found in Somalia and those in one of the seizures, the report determines that they likely come from the same batch:

The serial number sequence strongly suggests that the rifles were issued from a common source, in this case Iranian government stocks. However, without more information on the distribution pattern of these rifles, it is difficult to determine when and by what means the rifles reached Somalia. In most cases, it is open to speculation whether they were transshipped from Iranian consignments en route to Yemen, or diverted into the illicit arms market only after reaching Yemen.

Then the report discusses a case of two weapons with a certain stamp (the first in one of the US seizures, the other was found by the researchers in Somalia):

Notably, the rifle bore a ‘21 SEP’ post-manufacturing marking, making it highly likely that it had once formed part of a Houthi arsenal. (The date 21 September has special significance to the Houthi movement, marking the date in 2014 when Houthi militants stormed and took control of the Yemeni capital of Sana’a.) The above rifle therefore probably reached its intended end users, namely the Houthis, before being trafficked onward to Somalia.

One other rifle bearing the ‘21 SEP’ stamp was observed by GI-TOC field researchers. The weapon, a Type 56-1 rifle documented in the possession of a civilian resident of Galkayo in January 2021, does not appear to have originated from the same Iran–Yemen supply chain as other Type 56-1s referenced in this study. However, the serial number and factory marking on the weapon bore some similarities with rifles captured during the 2015 interdiction of a skiff within Iran’s EEZ, operated by individuals who later claimed to have received training at an slamic Revolutionary Guards Corps base in Iran.29 The materiel captured as a result of this interdiction was reportedly intended for anti-government forces in Bahrain.

There may be some more relevant evidence in the report, but I think this already gives a sufficient indication of their approach and their reasoning. I'll end with relevant excerpts from Reuters' reporting on the study:

The Global Initiative against Transnational Organized Crime said its study drew on data from more than 400 weapons documented in 13 locations across Somalia over eight months and inventories from 13 dhows intercepted by naval vessels.

It is the first publicly available research into the scale of illicit arms smuggling from Yemen into the Horn of Africa country.

"Weapons originating in the Iran–Yemen arms trade are being trafficked onward into Somalia itself," said the study, which is due to be published on Wednesday.

And Reuters' summary of the reasoning in the report:

The study said the investigators were not able to fully document the buyers and sellers of the weapons.

But it said signs the weapons were originally supplied by the Iranian state included serial numbers that were very close together, indicating they were part of the same shipment, information from satellite navigation systems on seized dhows and human intelligence from trafficking gangs.

One dhow carrying weapons which was seized by a U.S. navy vessel had a GPS with stored points in Iran, southern Yemen and Somalia, the report said, including a small anchorage near Jask port, which hosts an Iranian naval base, and "home" as the Yemeni port of Mukalla, a well-known arms smuggling hub.


NO, and maybe yes.

First, we have to go through the realities that exist, then it'll turn out whether or not Iran's been arming or funding Ansarollah of Yemen (called by the west as Houthis).

Ansarollah is not a militia or rebel group or a tiny military structure. Despite what the US claims, they are the "Government" in Yemen, their government has been named "Yemeni National Salvation Government" since 7 years ago and includes 14 provinces of Yemen (other provinces are occupied by the Saudis or the resigned state, which the west refers to as the Cabinet of Yemen). Ansarollah have had embassy in Iran for over two years now.

1. Yemen is besieged from every side by the US-Saudi coalition and forces of the resigned regime. So, If Iran wants to "smuggle" or send any military equipment for Ansarollah, there's no way or channel, since the airports, ports and harbors of Yemen are under the control of the hostile powers and even if they don't have control on some of them, the Saudis by their targeting every plane or ship that approaches there, made sending things to Yemen impossible de facto. So this claim can be rejected as it is lower on priority and military equipment is too large for any remaining channels. If west's claim based on Iran's arm shipments to Yemen was correct, they must be at least able to provide a picture of those missiles or something that proves their claim. As well as an IRGC general once implied this point that : (note: this site was the only English source I could find to link here, my referring to it doesn't mean that I approve all of their words or other information in that website)

"Yemen is currently under siege, and all entries are closed. Even medicine could not be delivered there for a long time," said Bagheri, who denied sending any missiles to Yemen. "How can we send meters long missiles to Yemen while we cannot even deliver medicine there?"

2. Ansarollah doesn't need any military aid from Iran. Yemen currently doesn't need arms, they need food and medicine. Yemen's military pieces of equipment are exclusively indigenous and in some cases, they had built new equipment by the spoils that they have taken from the hostile powers. Their priority is obtaining humanitarian aid.

Another fact that the west distorts about Yemen is that they try to show the war as a civil war, while this is not true since Yemen is not fighting with itself but with the US-Saudi coalition who are supported by the whole west and America's claim now contradicts itself, since they claim this is a civil war, if this is a civil war (that isn't) why should Iran make itself involved in that, and if this is not why the US lies about it?

There's still a point regarding this question "Is Iran funding Ansarollah?" Iran's foreign policy is based on helping the oppressed nations, including Yemen, and fighting with the terrorists (like the time they went to Syria and Iraq to destroy ISIS).

Yemen today needs food and medicine (here) other than missiles and drones, thus Iran has been always sending Yemen food and medicine , there are even some activist groups in Iran that gather money and send it to Yemen to help them to stay alive while the Saudis and their allies don't let any food or medicine makes its way through Yemen.

Note: I didn't provide any links since there's no credible evidence (neither in English nor Persian) that Iran has been sending military equipment to Yemen, its only circumstantial at best. Iran's aids are just about medicine, food, and humanitarian aid to Yemeni kids and families. Iran sends it humanitarian aid through the Embassy of Yemeni National Salvation Government.

I can't charm evidence for false claims of the US, the west had never provided any evidence for their claims neither this claim nor their other false claims about Iran, and the one who accuses others has to provide evidence for his claims not the other way around.

  • 1
    This answer read's like some serious propaganda. The question is in regards to the existence of proof. Your answer is directed at the politics surrounding the act and points of aid specifically mentioned in the question as differentiated. Additionally, the answer contradicts itself in claiming a lack of need for military equipment while also besieged. The entirety of point 1 is nullified by the definition of the word smuggle. If Ansarollah is capable of building or retaining a 10 meter missile, they are capable of receiving one via smuggling.
    – David S
    Nov 18 at 18:28
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    @user48 You should add that US drones are constantly patrolling the whole area from the US base in Gibuti. Hardly something can escape their watchful eyes.
    – FluidCode
    Nov 18 at 20:44
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    @FluidCode Opposing views and propaganda are not the same. No evidence to the contrary was presented in the answer to the question, just a confirmation of a lack of evidence in support of Western claims. The issue with the answer is the massively counterintuitive claim that a small group engaged in active military conflict doesn't need military funding or equipment. User48 contradicts their own answer within the comments regarding the status of ports as well. The bolded number points of the answer are self-contradictory. This answer can be improved without changing the point of view.
    – David S
    Nov 18 at 21:12
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    @DavidS "Opposing views and propaganda are not the same" come on. This forum is a constant flow of US propaganda. "No evidence to the contrary was presented in the answer ..." If for you a well documented siege maintained by countries much better equipped than Yemen and Iran is not an evidence it means that you are turning a blind eye.
    – FluidCode
    Nov 18 at 21:19
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    @FluidCode I'd like to avoid chatting in the comments. Focus on improving the answer. The question is specific to military funding or equipment to Ansarollah from Iran. Other types of aid were specifically differentiated. This answer's first sentence attempts to obfuscate that differentiation. Using a quote of the accused Iran to defend themselves isn't evidence to support the answer in either direction, its the same as a prisoner claiming innocence. A blockade existing isn't evidence there is no military funding of Ansarollah, its better evidence for it being attempted.
    – David S
    Nov 18 at 21:45

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