North Korea's Kim Jong Un inspects submarine

Kim Jong Un emerges from the Korean People's Army Naval Unit 167. Credit: Reuters

The North Korean leader Kim Jong Un has been taking a tour around a naval submarine.

Photographs show him testing equipment, dispensing advice, and meeting the crew.

Kim Jong Un tests out the ship's periscope. Credit: Reuters

They gave him a compulsorily warm welcome.

Kim Jong Un poses with the crew. Credit: Reuters