Web UI SpinnerHow Do They Do It?My List Outline IconAdd to My ListShare IOS IconShareS06:E20 - Military Helicopters and MoreDocumentary · 2011 · 22 min · 7 SeasonsTV-PGSubtitles IconBlades are built tough enough for military helicopters.EpisodesDetailsSeason 6Arrowhead Down IconSeason 4Season 6Season 9Season 10Season 11Season 12Season 13Play IconS06:E20 - Military Helicopters and More22 minTV-PGBlades are built tough enough for military helicopters.GenresDocumentarySubtitlesEnglishTV-PGThis program contains material that parents may find unsuitable for younger children.