A senior United States senator has publicly floated the possibility of a formal mutual defense agreement with Saudi Arabia, highlighting the growing strategic debate in Washington over how closely the two countries should align as tensions with Iran intensify.

Senator Lindsey Graham suggested that Washington could be prepared to consider a defense arrangement with the kingdom similar to treaties the United States maintains with long-standing allies.

At the same time, he questioned whether such a pact would be justified if regional partners were unwilling to play a stronger role in confronting Iran.

The remarks come during an escalating confrontation in the Middle East, where the United States and Israel have been engaged in military operations against Iranian targets.

Graham argued that Gulf states share a strategic interest in countering Tehran and should consider contributing more directly to regional security efforts.

Saudi Arabia has long sought a formal U.S. security guarantee that would commit Washington to defend the kingdom against external attack.

Such an arrangement, modeled on defense treaties with partners such as Japan, has been discussed for years as part of a broader strategic framework linking U.S. security commitments with regional cooperation and diplomatic initiatives.

The idea of a defense pact has been tied in past negotiations to a larger diplomatic package that included normalization of relations between Saudi Arabia and Israel and deeper economic and technological cooperation with the United States.

Any treaty-level agreement would require approval by the U.S. Senate, making congressional support a crucial element of the process.

Washington and Riyadh already maintain a deep defense partnership built on decades of military cooperation, training programs, and major arms agreements.

In recent years, the relationship has expanded further through large-scale defense modernization programs and strategic coordination designed to strengthen deterrence and stability across the Gulf.

Saudi Arabia has condemned recent Iranian attacks on its territory and emphasized its right to defend its sovereignty and protect its citizens.

However, the kingdom has also taken a cautious approach to direct military involvement in the current conflict, reflecting the broader regional concern about the risks of a wider war.

The debate in Washington illustrates how the evolving confrontation with Iran is reshaping discussions about long-term security architecture in the Middle East.

Proposals for deeper defense commitments are increasingly being weighed alongside questions about burden-sharing, regional partnerships and the balance between deterrence and escalation.