Washington, March 10 -- The Pentagon expended USD 5.6 billion worth of weaponry during the initial forty-eight hours of its military operations against Iran, according to a report by the Washington Post.

The staggering figure has intensified concerns among officials regarding the rapid depletion of the "scarce supply of America's most advanced weaponry."

This estimate, presented to Congress on Monday, has sparked fresh debate over the administration's claims that the mission is not "quickly eroding the US military's readiness."

To sustain the ongoing campaign, the White House is expected to request a supplemental defence budget this week, which could reach tens of billions of dollars.

In response to inquiries from the Washington Post ...