air defense

Obverse 國威宣楊 - To Propagate National Prestige 第二分團 - 2nd Branch [of Air Raid Defense Corps] reverse 日支事変之際 - On the Occasion of the China Incident 記念 - Commemorative 昭和十二年九月 - September 1937 関東防空演習 - Kanto [Region] Air Defense Maneuvers 日本橋区防護團 - Nihonbashi Ward Air Defense Corps...

2nd maneuvers badge https://asiamedals.info/threads/1935-second-hanshin-air-defense-maneuvers-kitaurae-air-defense-corps-branch-participation-commemorative-badge.25048/ Obverse Kitaurae Emblem 防空 - Air Defense reverse 昭和十一年九月 - September 1936 阪神防空演習 - Hanshin Air Defense Maneuvers...

Obverse Tokyo City Emblem with superimposed Army Star reverse 昭和十四年三月 - March, 1939 解團 - Solving Team 記念 - Commemorative 豊島區防護團 - Toyoshima Ward Air Raid Defense Corps 西巣鴨第四分團 - Nishisugamo No.4 Branch

See also https://asiamedals.info/threads/1936-air-defense-maneuvers-toshima-ward-air-raid-defense-corps-nishisugamo-no-4-branch-participation-badge.25178/ Obverse Tokyo City Emblem with superimposed Army Star 護れ帝都 - Protecting Imperial Capital reverse 第三回 - 3rd 防空演習参加章 - Air Defense...

See also https://asiamedals.info/threads/shinagawa-ward-air-raid-defense-corps-kitashinagawa-branch-merit-badge.25042/ Obverse 防空演習 - Air Defense Maneuvers 参加章 - Participation Badge reverse 昭和九年九月一日二日 - September 1-2, 1934 品川區防護團 - Shinagawa Ward Air Raid Defense Corps 北品川分團 -...

See also https://asiamedals.info/threads/1934-air-defense-maneuvers-shinagawa-ward-air-raid-defense-corps-kitashinagawa-branch-participation-badge.25043/ Suspension 功勞章 - Merit Badge reverse 品川區防護團 - Shinagawa Ward Air Raid Defense Corps 北品川分團 - Kitashinagawa Branch Suspension and badge...

See also https://asiamedals.info/threads/imperial-capital-air-defense-maneuvers-ushigome-ward-air-defense-corps-ichigaya-branch-participation-commemorative-badge.25032/ Obverse Tokyo City Emblem reverse 昭和九年度防空演習参加記念 - 1934 Air Defense Maneuvers Participation Commemorative 牛込區防護團市谷分團 -...

Obverse 防空 - Air Defense 監視隊 - Observarion Corps reverse 長野県 - Nagano Prefecture Case.

Badge with similar design https://asiamedals.info/threads/osaka-city-asahi-ward-household-air-defense-union-membership-badge.25193/ Obverse 防空 - Air Defense 團員之章 - [Air Defense Corps] Branch Member Badge

Obverse 防空演習記念章 - Air Defense Maneuvers Commemorative in the center 澁 for 澁谷區 - Shibuya Ward Reverse 澁谷區防護團 - Shibuya Ward Air Defense Corps 昭和八年八月 - August 1933

Obverse 参加章 - Participation Badge reverse 昭和十二年度 - 1937 防空演習参加記念章 - Air Defense Maneuvers Participation Commemorative Badge 玉出青年團 - Tamade Youth League

Obverse 竹町分團 - Takechō Branch (Tokyo) reverse 昭和九年防空 - 1934 Air Defense 演習参加之章 - Maneuvers Participation Badge

Obverse 豊島區防護團 - Toshima Ward (Tokyo) [Air Raid] Defense Corps 功勞 - Merit 高田第五分團 - Takada No. 5 Branch

Obverse 功勞 - Merit 防空参加 - Air Defense Participation reverse 贈 - Gift 贈皇記二五九四年 -1934 惠美第二防護分團 - Emi 2nd Air Raid Defense Corps

Badge of similar design https://asiamedals.info/threads/1936-three-city-union-air-defense-maneuvers-participation-badge.25016/ Size 30 mm. Weight 12 g. Obverse 防空 - Air Defense reverse 昭和十一年七月 - July 1936 第五回防空演習参加章 - 5th Air Defense Maneuvers Participation Badge 業平分團 - Narihira Branch...

Obverse 杉並第十六分團 - Suginami Air Raid Defense Corps 参加章 - Participation Badge reverse 昭和十年 - 1935

Obverse 防空 - Air Defense

See also https://asiamedals.info/threads/1934-kansai-large-air-defense-maneuvers-aika-youth-league-participation-commemorative-badge.25033/ Obverse 記念 - Commemorative reverse 昭和九年七月 - July 1934 近畿防空演習 - Kansai [Region] Air Defense Maneuvers 汎愛防護分團 - Han-ai (Osaka) Air Raid Defense Corps...

Obverse 義勇奉公 - Loyalty and Courage [Serve for the Nation with Loyalty and Courage; Spirit of National Duty and Service] 第二分團 - 2nd Branch (most likely Nihonbashi Ward, Tokyo...

Badge with a similar design elements https://asiamedals.info/threads/nihonbashi-ward-air-raid-defense-corps-1936-united-air-defense-maneuvers-participation-badge.24808/ 1st variation. Obverse 忠君愛國 - Faithful Patriots (idiom) 第二分團 - 2nd Branch (most likely Nihonbashi Ward, Tokyo) reverse...