20th Dokuritsu Dai Shijugo Chutai (20th Independent Squadron)
Japanese Army Air Force (JAAF)

Background
The 20th Dokuritsu Dai Shijugo Chutai (20th Independent Squadron) was part of the Japanese Army Air Force (JAAF) that operated transport aircraft including the Topsy and Ki-21 Sally.

Wartime History
During May 1943 move from Japan to Rapopo Airfield near Rabaulin the transport and liaison role. Next, moved to Hollandia. They probably had no aircraft based there but may have still flown liaison missions.

Richard Dunn adds:
"The Chief of Staff of Yo Force (6th Flying Division) flew into Hollandia on the evening of the 20th (this from a captured diary of a Lt. Col. Onada). He may have flown in transport attached to 6th FD HQ or one of the units just mentioned. While other possibilities cannot be ruled out, it seems most likely the aircraft destroyed was a transport that had flown in the evening of the 20th and was most probably from one of the resident units or 6th FD HQ."

References
Emblems of the Rising Sun page 41 (20th Dokuritsu Chutai)
Thanks to Richard Dunn for additional information

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