The Pentagon in a new report to Congress is dialing back a longstanding assessment that Iran could flight-test by 2015 an intercontinental ballistic missile capable of striking the United States, an apparent break with U.S. intelligence estimates since 1999.

An unclassified executive summary of the Annual Report on Military Power of Iran, dated January 2014 and not previously reported, does not — unlike past years — offer an assessment of the technical feasibility of Iran’s potential to demonstrate an ICBM capable of reaching the United States in 2015.

Instead, the two-page executive summary states: “Iran has publicly stated it may launch a space launch vehicle by 2015 that could be capable of intercontinental ballistic missile ranges if configured as a ballistic missile.” […]