It's time for the United States to hold Iran accountable.

A ballistic missile launched by Iran on Sunday was North Korean in construction or design, according to the Pentagon. The missile test, which ended in failure, was not a violation of 2015's Iranian nuclear deal, but arguably was in violation of a U.N. Security Council resolution. 

Either way, this latest test could set Iran on a collision course with the Trump Administration, which has promised to take a hard line on Iran.

According to Reuters, the missile traveled 630 miles before it exploded, either by accident or by design. There are no official details regarding what kind of missile it was, although it was certainly a ballistic missile. An anonymous U.S. government official told Reuters the missile was launched from a test site near Senman, east of the Iranian capital of Tehran, and said it was the same type of missile last tested in April 2016.

As pointed out by arms control expert Jeffrey Lewis on Twitter, the Pentagon identified the July 2016 missile as a locally produced version of the Musudan, a North Korean intermediate-range missile. Also known as the Hwasong-10, the missile is allegedly derived from an obsolete Soviet Cold War missile, the R-27 Zyb.

The Musudan has been adapted from a submarine-launched missile to a road-mobile missile, and is launched from 12-wheeled heavy transporters. The missile has a payload of 2,000 to 2,500 pounds and a theoretical maximum range of 2,500 miles. The range of the missile is open to some debate because so far, despite Pyongyang's claims to the contrary, it hasn't been successfully tested. North Korea may have launched as many as eight Musudans in 2016 alone, and not a single launch was considered successful by outside observers.

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