North Korean leader Kim Jong Un oversaw a test of cruise missiles from the deck of a new warship on the west coast on Sunday, according to state media, the third test in the last six weeks.

Kim also claimed for the first time that a fourth new destroyer is under construction, without revealing its location.

The Rodong Sinmun reported Tuesday that the test involved launches of two strategic cruise missiles and three anti-ship cruise missiles from the No. 51 Choe Hyon destroyer, North Korea’s largest modern warship.

The test appeared to take place in Nampho Bay, just outside the