North Korea called the launch a scheduled drill.

A drill is harder for Washington to treat as a provocation than a test.

The confirmation came a day after nearby trilateral Freedom Edge military exercises concluded.

President Trump continues seeking a summit with Kim Jong Un, with no date confirmed.

How each outlet framed it
The Diplomat
confirms joint firepower drill across five artillery/missile units incorporating drones, cruise missiles, MRLS, tactical ballistic missiles

Sources: The Diplomat