japanese air defense badge

See also https://asiamedals.info/threads/1933-kanto-air-defense-maneuvers-yotsuya-ward-air-defense-corps-commemorative-badge.24784/ ; https://asiamedals.info/threads/1936-yotsuya-ward-air-defense-corps-sanko-town-branch-badge.26406/ Obverse 第一分團 - 1st Branch [of Air Raid Defense Corps] 防...

Obverse 防空 - Air Defense reverse 昭和十一年度 - 1936 防空演習記念 - Air Defense Maneuvers Commemorative 金港第一分團 - Kinkō 1st Branch of Air Raid Defense Corps

Badge with similar design https://asiamedals.info/threads/1937-air-defense-maneuvers-kobe-ward-air-defense-corps-yamate-branch-participation-commemorative-badge.25026/ Obverse 防空演習参加記念 - Air Defense Maneuvers Participation Commemorative reverse 兵庫区防護團 - Hyogo Ward Air Raid Defense Corps...

Obverse 阪神防空演習参加記念章 - Hanshin Air Defense Maneuvers Participation Commemorative Badge 護 - Defense 中本防護分團第四支部 - Nakamoto Air Defense Corps Branch No.4 reverse 昭和十二年度 - 1937 家庭防空組会 - Household Air Defense Association 記念 - Commemorative

See also https://asiamedals.info/threads/1935-air-defense-maneuvers-toshima-ward-air-raid-defense-corps-nishisugamo-no-1-branch-participation-badge.25044/ Obverse Tokyo City Emblem with superimposed Army Star 防空演習参加章 - Air Defense Maneuvers Participation Badge reverse 豊島區防護團 - Toshima...

Obverse 記念 - Commemorative 防 - Air Defense reverse 中野区防護團 - Nakano Ward Air Defense Corps 功勞章 - Merit Badge 第四分團 - 4th Branch 紀元二五九七 - 1937

Size 33 x 21 mm. Obverse 防空演習 - Air Defense Maneuvers 参加章 - Participation Commemorative Badge reverse 昭和十一年度 - 1936 大阪市 - Osaka City 第三西野田防護分團 - 3rd Nishinoda Air Defense Corps Branch

Obverse 丸山防護分團 - Maruyama Air Defense Branch 第十一支部 - 11th Team

Obverse Tokyo City Emblem 牛込區防護團 - Ushigome Ward Air Defense Corp reverse 昭和八年八月 - August 1933 関東防空演習記念 - Kanto Air Defense Maneuvers Commemorative

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/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/1933-kanto-large-air-defense-maneuvers-takinogawa-ward-air-defense-corps-participation-commemorative-watch-fob.27515/ ; Koishikawa Ward Air Defense Corps badges...

Obverse 第四回防空演習参加 - 4th Air Defense Maneuvers Participation 記念 - Commemorative reverse 昭和十二年七月 - July 1937 神戸區防護分團北野分團 - Kobe Ward Air Defense Corps Kitano Branch

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.

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

See also https://asiamedals.info/threads/1937-mukojima-ward-air-raid-defense-corps-2nd-terashima-branch-diligent-service-badge.29131/ ; https://asiamedals.info/threads/1935-air-defense-maneuvers-mukojima-ward-air-raid-defense-corps-participation-badge.29130/. Size 30 x 20 mm. Obverse Tokyo...

Obverse 品川區防護團大井第三分團 - Shinagawa Ward Air Defense Corps Ōi No.3 Branch 参加章 - Participation Badge reverse 昭和十一年七月 - July 1936

Badge of the same design for the same Osaka Air Defense Maneuvers but for the different Corps https://asiamedals.info/threads/1937-air-defense-maneuvers-ainichi-air-defense-corps-participation-commemorative-badge.25191/ Size 32 x 40 mm. Weight 16.3 g. Obverse 防空参加記念章 - Air Defense Maneuvers...

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