See https://asiamedals.info/threads/greater-japan-aviation-youth-corps-badge.26456/
大日本航空青少年隊 - Greater Japan Aviation Youth Corps
濁川隊 - Nigorikawa Corps
dai nippon aviationyouth corps
dai nippon aviationyouth corps armband
greater japan aviationyouth corps
greater japan aviationyouth corps armbandjapaneseyouthaviationarmband
大日本航空青少年隊
大日本航空青少年隊腕章