The prince also shared a picture of himself with a fighter craft flying above him.
"In the pictures you can see French fighter aircraft, which facilitate from the aircraft carrier deck. It is also among Niels Juel's tasks to handle the control of the aircraft carrier, and they do so by watching the air traffic," he wrote.
"During my visit I have been informed about Niels Juel and Charles de Gaulle's many tasks. In addition, I have greeted the crews and gained insight into the many complex tasks that the Danish Defense solves in this marine military operation. It has been a great experience."