This Hayabusa fighter was asigned to the defense of the Japan metropolitan territory as indicates the white strip below the Rising Sun roundel. I wonder what could these fighters do against the firepower and speed of the P51 Mustangs and F4U Corsairs? Not much or almost nothing I guess

Nakajima Ki-43-II Hayabusa

Type 2595 Armored Railroad Car "So-Ki" crew man taking a break during the pacification of manchuria (1939)

armored car crew

Nakajima Ki-43-II fighter. A most maneuvrable aircraft, despite the poor armament and lack of armour, most of the Japanese Army fighter aces won their victories in this aircraft.