This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Instructor explains engineering principles at ROK Naval Academy. Photo NH Republic of Korea Naval Academy Chinhae Korea Instructor pointing wand instructs st class midshipmen on the principles of diesel engineering in another step of the midshipmen's training at the ROK Naval Academy Photograph and caption were released by Commander