Organization of Japanese units in Singapore

The Organization of Japanese units in Singapore

Deputy Chief of Staff, Singapore Units

 * Kitsuju Ayabe:- Deputy Chief of Staff, Southern Army, (Singapore)

Officers attached to Seventh Area Army HQ

 * Kitsuju Ayabe:- assigned to Seventh Area Army Headquarters (Singapore)

Chief of Staff, Seventh Area Army

 * Kitsuju Ayabe:- Chief of Staff, Seventh Area Army, till end of War

Chiefs of Unit 9420, Singapore

 * Rioichi Naito:- founder of Oka Unit (Unit 9420)
 * Masataka Kitagawa:- Commander of Unit 9420

Chiefs of Regular Armies, Singapore Campaign

 * Tomoyuki Yamashita:- Twenty-fifth Army Commander, (took Singapore, conquered Bataan and Corregidor)