The first link is a trailer for the History Channel:
http://www.bing.com/videos/watch/video/world-war-ii-in-hd-hd-cinema-spot/5dzcst0u
http://www.bing.com/videos/watch/video/world-war-ii-in-hd-okinawa/5dtwagtr?from=sharepermalink
http://www.bing.com/videos/watch/video/world-war-ii-in-hd-iwo-jima/5d6czys8?from=sharepermalink