Dai Nippon Aviation Youth Corps / Greater Japan Aviation Youth Corps / 大日本航空青少年隊 was established in May 1941 under the Dainippon Seinendan /Great Japan Youth League/Dainippon Air Youth Corps/ 大日本青少年団
See also https://asiamedals.info/forums/youth-league-seinen-dan-badges.618/
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greater japan aviation youth corps badge
japan aviation youth corps member's badge
japanee aviation youth corps badge
japanese aviation badge
japanese badge
大日本航空青少年隊章
大日本航空青少年隊隊員徽章
枝宝堂謹製
枝寶堂謹製
航空青少年隊章
青少年隊章