During the past year, North Korea has fired an unprecedented number of missiles of various types, far more than any previous year. Many of these launches have been part of Pyongyang’s effort to improve the capabilities of its missile force, while others have been angry responses to U.S.-ROK military exercises. Among these numerous missile tests, one stood out for a very different reason.

On Nov. 2, North Korea fired a barrage of more than 20 missiles, and within the mix was a short-range ballistic missile (SRBM) that crossed the eastern portion of the Northern Limit Line