Dee ihe na-aga n'ihu maka paragraf a - N'ịlanarị ọnwụ nke ụgbọelu ya na Midway, e kenyere Shimakawa ọrụ ọzọ na 204th Air Group nke e kenyere ya na mkpọsa Solomon Islands
n'ọnwa Ọgọst afọ 1942. Dabere na Bougainville, Shimakawa na ndị ibe ya na-ejikarị Cactus Air Force na Guadalcanal n'oge agha maka agwaetiti ahụ. N'ịbụ onye ịba jidere, a kpọgara Shimakawa na Japan na March 1943.