sentences:  Jet and prop powered aircraft and ships from various eras from the First World War to the late 20th century are featured.The series often presents interviews of pilots and experts, so far mostly Americans or their allies such as a survivor of (as was a German survivor of "Bismarck"), though the first episode of the second season showed interviews with Japanese and German pilots.The series was created after the airing of a one-time special called "Dogfights