Washington, July 3 -- The Department of Defence (DOD) estimated that Iran's nuclear programme has been set back at least a year, after the United States military bombed three vital nuclear sites in the last month, as reported by The Hill.

The chief spokesperson of the Pentagon, Sean Parnell, while speaking to reporters on Wednesday, said that the intelligence assessments inside the department indicate that Iran's nuclear program has been withdrawn by "one to two years."

During a briefing, Parnell said, "I think we're thinking probably closer to two years, like degraded their program by two years."

He further said, "We believe, and certainly, all of the intelligence that we've seen has led us to believe that Iran's, those facilities esp...