The Battle of Guadalcanal happened in 1942 involving the United States Marine Corps and Japanese naval and army forces. The landing at Guadalcanal took six months to defeat the Japanese in what was to turn into a battle of slow destruction. The Japanese loss of the Battle of Midway had forced the Imperial Army to rethink about their plans of expanding their forces and instead think about reinforcing the forces they already had out. This was a victory for America and also a turning point because they