The United States, India, Japan and Australia are moving beyond diplomatic consultations and launching practical initiatives on maritime security, infrastructure and regional resilience, Secretary of State Marco Rubio has said, signalling a more action-oriented role for the Quad in the Indo-Pacific.

At a Congressional hearing on Wednesday (local time), Rubio highlighted the growing importance of the Quadrilateral Security Dialogue, commonly known as the Quad, as a central pillar of the Trump administration's Indo-Pacific strategy.