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 aviationyouthcorps
dai nippon aviationyouthcorpsarmbandgreaterjapanaviationyouthcorpsgreaterjapanaviationyouthcorpsarmbandjapanese youthaviationarmband
大日本航空青少年隊
大日本航空青少年隊腕章