引用・参考資料等 https://www.quora.com/Does-the-current-F-22-have-a-helmet-mounted-displayhttps://www.researchgate.net/publication/353956023_Processing_Information_from_Magnetic_Field_Sensors_in_Helmet_Mounted_Cueing_Systems
http://www.nicovideo.jp/watch/sm45425833
