The end of WWI meant big change for the Marine Corp. The way the Marine Corp was organized, her mission, and all the doctrine to go along with that mission was introduced and / or changed. The results of the WWII were no the same as WWI. For the large part, the amphibious doctrine developed in the 1930's and early 1940's remained intact throughout the war. However, change was obvious in two other areas. First, innovative …showed first 75 words of 826 total…

…showed last 75 words of 826 total…Marines, but it sets itself apart from other conflicts in which Marine took part because it also served as a proving ground, and consequently a testament, to Marin Corp amphibious doctrine. Most the doctrine from the 1930's was applied successfully to the war in the pacific, seeing only minor, localized changes in technology and technique. These changes resulted in more efficient and effective naval gunfire, better communications, more dedicated close air support, and stronger communications.