A combined U.S.-ROK army division conducted its largest-ever live-fire drills on Wednesday, testing multiple rocket launchers and missiles as part of a simulated counterattack against a North Korean invasion during the ongoing Ulchi Freedom Shield exercises, NK News has confirmed.

According to the ROK Army, the drill is called Combined Joint Fires Coordination Exercise (CJFCX) and involved both live-fire and field-training exercises. 

“It is the largest and first combined joint division level exercise for the 2nd Infantry Division/ROK-U.S. Combined division since its creation in June 2015,” the division told NK News in an email.

The training was meant to assess