"Kim Jong Un Seen Beside Apparent Submarine in State Media Photographs" by Joshua Berlinger for CNN

"But it's unclear exactly how far along the newly-pictured submarine is, said Melissa Hanham, the deputy director of the Open Nuclear Network. 'The submarine is still up in a warehouse, it hasn’t been put into the dry docks, it doesn't appear to be finished yet,' said Hanham. Hanham said the images do not reveal the top of the submarine. 'That's where the missiles go, that's what I want to see,' she said. The one photograph released that shows a large portion of the sub appears to have been intentionally cropped at the top. Hanham said it's possible Pyongyang released images of Kim visiting a secretive military operation for political reasons, or to send a message to the United States. 'What makes it seem like signaling is they're actually producing photographs, very carefully curated photographs that don’t give us as much information as we would hope to glean,' she said."