The outbreak of World War II set in motion a massive expansion of the United States Marine Corps, leading to a 24-fold increase in size by August 1945. This boo

By January 1944 the US Marine Corps had grown to a total of 405,169 personnel, comprising 28,193 officers, 10,723 officer candidates, and 366,353 enlisted men.

The US armed forces were responsible for many tactical innovations during the years 1941–45, but in no field was US mastery more complete than amphibious warf

During World War II, the US Marine Corps formed six tank battalions that battled through the harsh conditions of the Pacific Theatre. Using the same basic tanks