The Quadrilateral Security Dialogue, or Quad, is increasingly struggling to define its purpose as President Donald Trump courts China and the United States shifts its military focus away from the Asia Pacific, according to regional analysts. Foreign ministers from India, Japan, and Australia met with US Secretary of State Marco Rubio in New Delhi on Tuesday, but observers noted a lack of cohesion within the alliance.

For nearly two decades, various iterations of the Quad have sought to form a collective strategy to counterbalance China's growing influence in the Asia Pacific. However, since President Trump began his second term in January 2025, the coalition has faltered, with Washington reportedly prioritizing the Western Hemisphere and the Middle East over the Asian region.

Analysts point to several factors contributing to the Quad's diminished relevance. The US military's redeployment of assets from the Asia Pacific to the Middle East at the start of the war on Iran in February, coupled with significant munitions expenditure during the "Epic Fury" operation, has raised concerns among Asian allies about Washington's commitment to their defense. Simultaneously, a period of détente and increasing trade engagement between the Trump administration and China, including the first US presidential visit to China in nearly a decade, has further unsettled Quad member states.

"It is essentially damage control," Umi Ariga, an analyst at the Japan Institute for International Affairs, told Al Jazeera, referring to the recent diplomatic efforts to revive the alliance. The current meeting in New Delhi is seen by some as a last-ditch effort to reaffirm the Quad's purpose.

First established in 2007 and revived in 2017 with the explicit aim of countering China's rise, the Quad's effectiveness has historically been subject to the shifting priorities of the United States. A planned leader-level summit in New Delhi last year did not materialize due to diplomatic tensions and competing interests, highlighting the group's inherent fragility.

Despite Indian Prime Minister Narendra Modi's personal invitation to President Trump for the summit in June 2025, the US president has yet to visit, and no new date has been set. This uncertainty surrounding high-level engagement underscores the challenges the Quad faces in maintaining momentum and presenting a united front.

The recent visit by Secretary of State Marco Rubio to India is interpreted by some observers as a move to shore up the alliance's foundations. However, the confluence of events—US-China rapprochement and a pivot away from Asian security concerns—casts a long shadow over the Quad's future prospects and its ability to effectively address regional challenges.

As Quad diplomats convene, the underlying questions about the alliance's strategic direction and the reliability of US commitment to Asian security remain prominent, leaving the grouping at a critical juncture.