https://www.buzzfeed.com/kotahatachi/osprey-crash-in-okinawa-debunking?utm_term=.be20EYjq&ref=mobile_share#.mhJrd65z

http://headlines.yahoo.co.jp/hl?a=20161216-00000007-jct-soci

http://www.nishinippon.co.jp/nnp/national/article/294931

http://headlines.yahoo.co.jp/hl?a=20161216-00000039-mai-soci

http://news.livedoor.com/article/detail/12422824/