The testing took place on August 24. Kim Jong Un was accompanied by senior officials from the Central Committee of the Workers' Party of Korea. The North Korean leader familiarized himself with drones in development and supervised the testing.
The drones, which have different ranges, are designed to hit any enemy targets on land and at sea, and flew along predetermined routes, accurately recognizing their designated targets and destroying them.
Take a look at North Korean leader Kim Jong Un supervising drone tests in Sputnik's gallery: