Shigetoshi Miyazaki was the commander of the Yokohama Air Group during the Battle of Guadalcanal.

He was close friends with the commander of the Guadalcanal defenses, General Harukichi Hyakutake, and Hyakutake approved his plans to build Henderson Field in the Lunga area in order to support the Japanese New Guinea campaign.

On May 18, 1942, he first inspected the Lunga Plain on Guadalcanal - or "Guadarukanaru" as the Japanese called the island, and pronounced it a fit place to establish an airfield on which to base the Mitsubishi G4M1 bomber, later code-named "Betty" by the Allies.

On May 27, 1942, Miyazaki and his engineers created a wildfire to clear the grasses of the Lunga Area in order to construct the airfield.

On August 7, the Americans invaded Guadalcanal and Miyazaki had to cope with the marines, so he signaled Captain Sadayoshi Yamada in New Britain, telling him that the troops would fight to the last man and that they destroyed their papers.