Yemen war: Why Egypt's vow to defend Saudi Arabia is a risky gamble
Ships approaching the Suez Canal, the Sumed pipeline, energy terminals and fuel storage facilities: these are among the assets Egypt must consider potentially exposed if it enters direct combat against Yemen’s Houthis.
The consequences could reach far beyond the forces Cairo deploys, threatening the infrastructure through which Egypt earns foreign currency and supplies its economy.
The Houthis would not need to strike the canal itself to undermine its revenues. Threats farther south can deter shipping, raise costs and force vessels onto longer routes. Navigation can remain technically possible while the traffic that gives the waterway its economic value moves elsewhere.
But Cairo must also consider a more serious scenario: direct attacks on vessels or infrastructure serving the canal, potentially forcing a complete suspension of navigation.
This is a risk to assess, rather than an established Houthi plan or a prediction that such an operation would succeed. This could benefit the Houthis and Iran by blocking US and Israeli naval movements from the Mediterranean to the Red Sea.
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The July drone attack that damaged two tankers at Damietta offers a warning of the disruptions Egypt could face. Responsibility for the attack remains unclear, so it cannot be established as a message from the Houthis. Nevertheless, it illustrates how attacks in Egyptian waters could threaten shipping, energy exports and confidence in maritime infrastructure.
Direct Egyptian involvement could widen that exposure to the Sumed pipeline and associated energy infrastructure, including terminals and fuel storage facilities.
Who decides the limits?
Saudi Arabia’s experience should discourage any assumption that advanced weapons or American ties guarantee protection. Repeated strikes on airports and energy infrastructure have exposed gaps in Saudi defences, while Washington has offered intelligence and targeting assistance, without agreeing to Riyadh’s requests for American strikes.
These are the uncertainties behind Egypt’s latest commitment to Saudi security. They deserve more attention than the language of solidarity allows.
President Abdel Fattah al-Sisi’s latest speech worked like a smoke bomb. His remarks about leaving office in 2030 and training future leaders through the military academy obscured a more immediate prospect: committing Egyptian military power to Saudi Arabia’s defence.
In a country where public debate has been systematically restricted, that ambiguity matters. Egyptians are being asked to contemplate another external military commitment before being told its objectives, limits or price.
Missing from the debate are the Egyptians who would bear the human and economic costs of a war whose mandate they have neither shaped nor been allowed to scrutinise
On 17 October, Sisi requested parliamentary authorisation to act in Saudi Arabia’s defence if asked. The National Defence Council subsequently pledged all necessary and possible support.
Neither statement establishes that Egyptian troops have entered Yemen, but the distance between defending Saudi territory and joining its war requires scrutiny.
Egypt’s National Defence Council is central to decisions on war, but it cannot authorise one alone. Under Article 152 of the constitution, the president must consult the council and secure approval from two-thirds of parliament before declaring war or deploying troops on combat missions abroad. Where no parliament exists, consultation with the Supreme Council of the Armed Forces and approval from both the cabinet and National Defence Council are required.
The council’s statement after its 18 October meeting pledged support for Saudi Arabia alongside diplomatic efforts to reduce tensions. The meeting followed Saudi Crown Prince Mohammed bin Salman’s visit to Cairo last month.
It announced neither a defined combat mission nor a deployment timetable. The statement alone therefore establishes neither an operational decision nor completion of the constitutional process.
Competing assessments
The council’s composition nevertheless makes it a crucial forum for assessing the consequences of intervention. Chaired by the president, its 14 members bring together senior civilian officials, military commanders and intelligence chiefs. Its remit extends from defence policy and military readiness, to the armed forces’ budget and coordination across state institutions.
As its deliberations are confidential, the public statement cannot tell Egyptians which risks were considered acceptable, whether competing assessments emerged, or how far the leadership believes a supposedly defensive commitment could expand.
Nor should Egypt’s parliament be treated as an uncomplicated expression of popular consent. In a political system dominated by military and intelligence institutions, it also maps the influence of state agencies and their allied elites.
Parliament’s composition reflects regime-aligned interests and competing security institutions far more than an independently expressed popular will. Missing from the debate are the Egyptians who would bear the human and economic costs of a war whose mandate they have neither shaped nor been allowed to scrutinise.
Cairo thus risks moving towards an ill-defined military commitment with a domestic front whose apparent stability conceals unresolved grievances. Differences among regime-aligned politicians and media voices over whether - and how - to defend Saudi Arabia raise a further question: how broad is the agreement within the institutions responsible for that commitment?
Such differences do not establish a split within the armed forces or the General Intelligence Service. They do, however, make public declarations of solidarity an insufficient basis for assuming a settled consensus over the scope and costs of intervention.
The memory of Yemen sharpens those doubts. Egypt’s intervention in the 1960s expanded from a limited deployment into a prolonged commitment, with mounting costs and no easy exit. Today’s circumstances differ, but the relevant lesson survives: military superiority cannot compensate for an undefined political destination.
The council’s meeting implies institutional consideration of the risks. It does not reveal which scenarios were assessed, whether disagreements arose, or what level of retaliation was judged tolerable. Consultation is necessary; it cannot guarantee that escalation will remain within the scenarios planners anticipated.
Parliamentary hesitation therefore deserves attention beyond procedure.
On Monday, parliament delayed the vote on military support for Saudi Arabia to 26 October. The move prolongs the debate over Egypt’s role in the Yemeni conflict.
Reservations could reflect different institutional assessments of the mission’s costs. They do not, by themselves, prove a rupture inside the National Defence Council or military leadership.
Regional division of labour
In an earlier article, I argued that Washington and Tel Aviv could find the back seat more comfortable: retaining influence over a conflict while regional actors absorb its costs. Egyptian intervention could deepen precisely that arrangement.
US President Donald Trump has publicly floated asking Turkey to intervene. Washington has also offered Riyadh intelligence and targeting assistance, while declining requested strikes. These are different levels of exposure. Egypt should ask why its soldiers and assets should assume risks that stronger partners are choosing to limit.
Saudi Arabia has legitimate security concerns, and Egypt has interests in protecting Red Sea navigation. Neither consideration makes an Egyptian campaign inside Yemen inevitable. Such a campaign could serve American and Israeli interests in weakening the Houthis, while transferring much of the resulting attrition to regional armies.
Egypt stayed outside the Mecca defence pact among Saudi Arabia, Turkey and Pakistan. It now risks assuming comparable burdens through a separate commitment. Will others retain supporting roles while Egyptian forces move closer to the front?
If Cairo chooses direct combat, the likeliest initial instruments are its air force and navy. Ground formations or special forces would more plausibly follow a later escalation. Any such sequence remains contingent on political decisions whose details have yet to be disclosed.
Aircraft could support interception, surveillance and, if authorised, strikes. Warships could protect selected routes and accompany shipping. But if attacks continue, commanders may seek broader targeting authority, closer intelligence support or personnel ashore. Ground troops and special forces could then become the proposed answer to the shortcomings of a supposedly limited mission.
Costs at home
For an institution shaped historically by wars with Israel, exhausting capabilities in Yemen would also raise questions about strategic priorities. Those questions could produce disagreement within the defence establishment, especially as Sudan and the Horn of Africa demand attention.
The defensive label offers no guarantee of immunity. Cairo might distinguish intercepting a missile over Saudi territory from bombing its launch site; the Houthis might regard both as participation in the same campaign. Egypt cannot determine its adversary’s response merely by defining its own intentions.
Egypt’s vulnerabilities extend far beyond its deployed forces. The uncertainty surrounding retaliation could sharpen differences among military commanders and intelligence officials over acceptable risks.
These challenges differ, but the urgency attached to defending Saudi Arabia invites scrutiny of the restraint exercised elsewhere
It also raises an uncomfortable question about priorities: why contemplate an expansive commitment to Saudi security, when threats closer to Egypt’s own national interests remain unresolved - from the Grand Ethiopian Renaissance Dam and Sudan’s war, to Israel’s seizure of the Philadelphi corridor and the prospect of Palestinians being forcibly displaced into Sinai?
These challenges differ, but the urgency attached to defending Saudi Arabia invites scrutiny of the restraint exercised elsewhere. That contrast does not establish an institutional split. It does, however, create grounds on which competing assessments of national priorities could emerge.
The costs would ultimately reach Egyptian households. Disrupted navigation, reduced foreign-currency earnings, and higher energy and import bills could intensify inflation and living costs, adding to the food-price pressures Egyptians already face.
Even if the campaign never developed into a prolonged ground war, Egyptians would be financing the consequences of intervention. The decision may begin with aircraft and warships abroad, but its consequences would not remain there.
The views expressed in this article belong to the author and do not necessarily reflect the editorial policy of Middle East Eye.
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