dalian city airdefense corps badge
dalian city badge
manchukou airdefense corps badge
manchukuoairdefenseassociationbadgesmanchukuo badge
大連市章
大連市防護团章
大連市防護團章
防護团章
防護團章
Manchurian Air Defense Association was established in March 1934 with the aim of enhancing all air defense facilities and spreading air defense knowledge.
It will be integrated into Manchurian Air Affairs Association in August 1939.
Therefore all badges of Manchukuo Air Defense Association...