North Korea tested a new “anti-aircraft missile” on Thursday, state media reported the following day, marking the country’s fourth missile test of September.

The test was overseen by top military official and politburo presidium member Pak Jong Chon, with state media once again not mentioning the presence of leader Kim Jong Un.

It came on the same day that state media revealed Kim had offered to possibly restart inter-Korean talks in October, but as he also warned the U.S. that North Korea would continue “developing a powerful new weapon system” to counter Washington.

“The Academy of Defence Science of the