New Delhi, Feb. 18 -- A potential US military operation against Iran would likely be a "massive, weeks-long campaign" resembling full-scale war rather than a limited strike, Axios reported, citing sources.

According to the news outlet, any operation would be broader in scope - and more existential for Tehran's leadership - than last year's 12-day conflict sparked by Israeli strikes on Iranian targets.

The outlet citing sources also said a future campaign could involve joint US-Israeli coordination and carry sweeping implications for regional stability and the remainder of President Donald Trump's term.

The White House has paired diplomatic outreach with a substantial military buildup in the region.

"We cannot have a nuclear-armed Iran...