Premise: The bombing of Chongqing (, Japanese: 重慶爆撃 , from 18 February 1938 to 23 August 1943) was part of a terror bombing operation conducted by the Imperial Japanese Army Air Service and Imperial Japanese Navy Air Service on the Chinese provisional capital of Chongqing, authorized by the Imperial General Headquarters.
Hypothesis: The Imperial Japanese Marine Air Service took part in bombing Chongqing.