japanese aviation school graduation badge

Reverse 皇紀二千六百二年 - 1942 第四十六期高科 - 46th Class Advanced [Program] 整備術練習生 - [Aviation] Maintenance Trainee 卒業記念 - Graduation Commemorative

Obverse 2599 - 1939 reverse 豫備役下土官 - Reserve [Military Service] NCO 卒業記念 - Graduation Commemorative Marked 純銀 - pure silver.

Size 51 х 33 mm. Obverse 関機 - Engine reverse 2601 - 1941 陸軍航空整備學校 - Army Aviation Maintenance School 第二十回學生 - 20th Class Engraved 北? - ?kuto

Late war watch fob. Very light because of the hollow construction. Size 60×48.3 mm. Thickness 3.8 mm. Weight 4.8 g. Obverse 13甲飛 - 13th A[-Class] Flight [Trainee] 土空 - Earth and Sky reverse 2604 - 1944 第十三期 - 13th Class 甲種飛行豫科練習生 - A-Class Trainee of Flight Reserve Trainee...

Size 49.34 x 45.74 mm. Thickness 4.28 mm. Reverse 皇紀二六〇二年 - 1942 相模野海軍航空隊 - Sagamino Air Group /formed on November 1, 1942; renamed 1st Sagamino Air Group on February 11, 1945/ 第八十期普整 - 80th Class of General [Course] of [Airplane] Maintenance 卒業記念 - Graduation Commemorative

https://asiamedals.info/threads/two-pilot-badges-of-6th-class-army-youth-pilot-school-graduate.27084/#post-360227

About Tachiarai Army Flight School https://asiamedals.info/threads/tachiarai-army-flight-school-graduation-commemorative-watch-fobs.28468/ Details. Reverse 第一期 - 1st class 特別操縦習生 - Special Pilot Trainee 太刀洗 - Tachiarai 陸軍飛行學校 - Army Flight School 大邱教育隊 - Daegu Education Corps...

See also https://asiamedals.info/threads/4th-flight-reserve-trainee-a-class-yokaren-program-graduation-commemorative-watch-fob-2600.27017/ ; https://asiamedals.info/threads/6th-flight-reserve-trainee-a-class-yokaren-program-graduation-commemorative-watch-fob.27033/ ...

See https://asiamedals.info/threads/army-aviation-maintenance-school-25th-class-of-engine-mechanics-graduation-commemorative-watch-fob.27626/ ; https://asiamedals.info/threads/1942-army-aviation-maintenance-school-24th-class-of-engine-mechanics-graduation-commemorative-watch-fob-1942.27566/...

Reverse 卒業記念 - Graduation Commemoration 第十八期乙種 - 18th B/Otsu/-Class 飛行予科練習生 - Flight Preparatory Trainee

See also https://asiamedals.info/threads/4th-flight-reserve-trainee-a-class-yokaren-program-graduation-commemorative-watch-fob-2600.27017/ ; https://asiamedals.info/threads/6th-flight-reserve-trainee-a-class-yokaren-program-graduation-commemorative-watch-fob.27033/ ...

Private collection. Photos courtesy of the owner. Obverse 偵察 - Reconnaissance reverse 昭和十五年九月 - September 1940 鈴鹿海軍航空隊 - Suzuka Air Group /established on October 1, 1938/ 第四十九期偵察練習生 - 49th Class of Reconnaissance Trainee 卒業記念 - Graduation Commemorative Engraved 川谷田 - Kawatani...

Private collection. Photos courtesy of the owner. Reverse 2597 - 1937 第五期高空雷 - 5th Class/Term of Advanced Aerial Torpedo Course 卒業記念 - Graduation Commemoration Marked 純銀 - pure silver.

Size 65x50 mm. Obverse 射爆 - Bombing reverse 皇記2601年 - 1941 第十二期高等科航空兵器術 - 12th Advanced Course Air Weaponry 爆練習生卒業記念 - Explosives Course Graduation Commemorative

Rare watch fobs with interesting design. Obverse 戦技 - Combat Skills reverse 皇紀二六〇一年 - 1941 水戸陸軍飛行學第六期 - Mito Army Flight School 6th Class 陸軍航空通信學校第一期 - Army Aviation Signal School 1st Class (established in August 1940 as part of the Mito Army Flight School and moved to a new facility...

Obverse 無線 - Wireless reverse 陸軍航空通信学校 - Army Aviation Signal School 教導隊 - Instructor Corps Engraved name is hidden under the paper.

Reverse 第三十期 - 30rd 操縦練習生 - Pilot Training 卒業記念 - Graduation Commemorative Original case.