Air Force Academy cadets began preparing for Saturday’s game against Navy by creating their own parody of  “Gangnam Style” to compete with the version produced by midshipmen last month. Check out both videos below. Air Force [youtube]http://www.youtube.com/watch?v=G0jj-HNhTAU[/youtube] Navy [youtube]http://www.youtube.com/watch?v=xhHufV9g4k4[/youtube]