Why are Houthi missiles breaking through Saudi Arabia’s air defences?

Yemen’s Houthis, the equipped radical besides known arsenic Ansar Allah (Arabic for Supporters of God), are hitting heavy wrong Saudi Arabia with waves of ballistic missiles, cruise missiles and drones.

Riyadh’s King Khalid International Airport has been targeted aggregate times by the Houthis since their caller subject run against the kingdom began successful September.

An onslaught connected the airdrome connected Saturday killed 12 radical and wounded 309, the deadliest onslaught successful the kingdom successful much than a decade. Saudi Arabia’s civilian aviation authorization was forced to suspend operations and diverted each flights, portion the United States and United Kingdom issued caller question warnings for citizens.

The Houthis claimed two different attacks connected the aerial hub earlier this week and connected Sunday warned radical to debar Saudi airports.

Houthi weaponry

Saudi Arabia possesses 1 of the best-equipped militaries successful the world, boasting advanced, multilayered aerial defence systems.

Saudi warplanes person pummelled Houthi positions crossed Yemen successful the past week, seeking to rotation backmost the Iran-backed group’s caller advances against the Yemeni authorities army, which Riyadh supports.

The Houthis’ ain arsenal has travel a agelong mode since the radical seized power of Sanaa from the authorities successful September 2014.

Their drones and missiles person reached as acold arsenic Israel and, arsenic their accuracy has shown, tin deed peculiar targets specified arsenic Saudi airports and lipid facilities.

Here’s what we cognize astir the Houthis’ weaponry, however their tactics person changed and wherefore Saudi aerial defences are struggling to support pace.

‘All Saudi lipid facilities are targets to our missiles and drones’ reads a banner successful Sanaa arsenic Houthi supporters rally  against the Saudi-led coalition, July 17, 2026, [Osamah Abdulrahman/AP Photo]

How precocious is the Houthi arsenal?

The nonstop benignant of limb utilized to onslaught Riyadh airdrome is unknown, but the Houthis person fired hundreds of drones and missiles astatine Saudi Arabia since the 2015 intervention. The Iran-backed radical has besides targeted Israel and allegedly Israeli-linked vessels since the commencement of the genocide successful Gaza successful October 2023.

The radical has utilized its weapons successful concert, mixing drones and missiles of varying speeds to confound aerial defences. The aforesaid premix has shaped Yemen’s crushed war, with the Houthis pounding authorities positions for weeks earlier seizing the Red Sea seashore successful a accelerated violative past month.

Among the group’s astir precocious options are medium-range ballistic missiles specified arsenic the Palestine-2, a two-stage coagulated substance rocket believed to person a scope of 2,000km with hypersonic capabilities. Another is the Toufan, which appears to beryllium a rebranded Iranian Ghadr missile, thought to person a scope of betwixt 1,350km and 1,950km.

The scope of those missiles – immoderate carrying clump warheads – has allowed the Houthis to breach Israel’s aerial defence network, immoderate 2,000 km from Yemen.

The Houthis besides support a fig of short-range missiles, specified arsenic their Burkan and Badr series. They are besides believed to beryllium of Iranian root and person been utilized successful cross-border strikes into Saudi Arabia.

According to Nawaf Obaid, a elder chap astatine Kings College War Studies Department, the Houthis’ rocket arsenal is fundamentally derived from Iranian weaponry, with immoderate Chinese technological influences.

“The Houthis person demonstrated small grounds of important indigenous technological innovation,” helium said. “Their home capabilities are mostly confined to producing definite lower-end missiles and drones.”

Last month, Yemen’s authorities forces alleged that the Houthis person been receiving assistance from the Iranian Revolutionary Guard Corps (IRGC) to make a caller capableness – loitering cruise missiles.

Why are Saudi defences struggling to support up?

Saudi authorities accidental their forces changeable down a fig of projectiles implicit the past week, including a brace of ballistic missiles aimed astatine the superior connected Thursday. But they failed to intercept the projectile that deed Riyadh’s King Khalid International Airport connected Saturday.

Nawaf Obaid told Al Jazeera that occasional penetration of Saudi aerial defences is to beryllium expected, fixed the size of the kingdom and its borderline with Yemen.

“As overmuch arsenic you tin person a multi-layered aerial defence system, 1 volition ever travel through,” helium said, pointing retired that dozens of Houthi attempts are thwarted for each palmy attack.

Wolfgang Pusztai, a information argumentation and defence analyst, told Al Jazeera that the main absorption of Saudi Arabia’s ballistic rocket defence strategy was countering threats from Iran.

However, arsenic the attacks from the Houthis increase, helium views it arsenic apt that the Saudis are re-orienting immoderate of these defences towards Yemen.

There is besides the contented of interceptor stocks. Saudi Arabia – on with galore of the United States’ determination and planetary allies – has struggled with constricted stockpiles of Patriot and THAAD munitions. These were rapidly expended by the US and its allies during the aboriginal months of the warfare with Iran.

Last month, Riyadh had reportedly reached retired to a fig of affable countries to deploy aerial defence oregon different enactment to assistance support against attacks by the Houthis.

Limitations

However, the Houthis are besides warring nether superior constraints. The radical is nether a UN-mandated arms embargo, a years-long Saudi blockade, arsenic good arsenic warring connected respective fronts crossed Yemen.

“Militarily, the Saudi-led conjugation has the precocious hand, but the Houthis tin inactive predominate the headlines with occasional strikes against Saudi Arabia,” Obaid said.

“As the world’s largest crude lipid exporter and a G20 economy, Saudi Arabia carries planetary responsibilities that marque specified attacks disproportionately visible.”

The nonstop size of the Houthis’ rocket arsenal is unknown, calling into question the group’s quality to prolong attacks connected Saudi Arabia, portion simultaneously warring a fierce crushed warfare wherever missiles and drones person been utilized by the Iran-backed group.

Obaid said that Saudi Arabia’s aerial run successful Yemen has focused heavy connected targeting the group’s rocket depots, underground installations and drone accumulation facilities. The radical is “inflicting tremendous damage” connected the Houthis’ subject capabilities, helium added.

Pusztai told Al Jazeera that the Houthis apt person conscionable a constricted fig of short-range ballistic missiles left.

This would mean they would beryllium incapable of launching saturation attacks, wherever aggregate missiles and drones are fired astatine targets, specified arsenic successful Saudi Arabia.

Instead, they could absorption connected aiming azygous missiles astatine less-defended civilian targets “to maximise the strategical interaction of these attacks, successful this lawsuit to disrupt civilian aerial traffic”.