Douglas A-20G Havoc #43-9502 of the 644th BS, 410th Bomb Group in flight, 4 August 1944. This would have been over France where it was providing tactical support for the allied armies chasing the collapsing Nazi Armies.
Very early Ki-43-II models. They still had the oil ring cooler. These are at Akeno Fighter Training school. The symbol for this school is on the tail of the farthest right plane.