When the Japanese forces attacked Pearl Harbor on December 7, 1941, it was only the beginning of a series of Japanese victories. They also continued to win the Battle of Wake Island against the US, the Attack on the Prince of Wales, the Repulse against the British Royal Navy, and The Battle of Sunda Strait against the Allied forces.

But, it was not until the Battle of the Coral Sea and Battle of Midway that the seemingly unstoppable Imperial Japanese Navy (IJN) was finally slowed down. So how did they

Japanese Plan

In late 1942, a series of victories from the Allied forces weakened Japan so that they could lose control of the South West Pacific, specifically on the island of New Guinea.

Japanese forces on the island desperately needed supplies and reinforcements; otherwise, it would be a sure victory for the western forces. So, they decided to send around 7,000 soldiers as reinforcements and a considerable amount of supplies from Rabaul to Lae through a convoy. This was a dangerous plan since the Allied air forces were expected to obliterate the convoy once they were found. Regardless, it was a risk that they had to and were willing to take.