The new propaganda clip was shown on state television on Sunday.
The animals can also be seen jumping through a flaming hole as they are put through their paces in training.
The new video was released as the US delayed an intercontinental ballistic missile test planned for next week amid fears it will be misinterpreted by Pyongyang.
In the same video troops can also be seen using the South Korean defense minister’s face as target practice.
At the very end of the clip the effigy is destroyed with a rocket launcher.
It is unclear when and where the video, released by North Korea’s official news agency KCNA, was filmed.
An unidentified North Korean soldier warns that they are ready to attack South Korea as soon as the order is given.
“On the Korean peninsula, it is not a matter of whether we will have a war or not but whether it will take place today or tomorrow,” he said.
“This is a situation like being on the eve of a big explosion. Every minute, every second counts. We are right now set to march, once the order is given.”
The claim follows weeks of ever-increasing threats from North Korea which claims to have missiles capable of hitting the US.
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