New Delhi, March 27 -- The US-Israeli attack on Iran is nearing its one-month mark and one of the declared objectives of Operation Epic Fury was to destroy Tehran's missile arsenal and production capacity. Right from the initial hours, the US and Israel targeted Iran's missile infrastructure and neutralized a large chunk of missile launchers.

But four weeks into the war, contrary to US estimates, Iran has continued to launch missiles on a daily basis at Israel and Washington's allies across the Middle East. That is because the US may not have destroyed as many Iranian missiles as it had initially thought.

Reuters, citing five people familiar with the US intelligence, reported that Washington can only determine with certainty that it has...