List of United States Marine Corps four-star generals
This is a complete list of four-star generals in the United States Marine Corps. The rank of general (or "full general", or "four-star general") is the highest rank in the Marine Corps. It ranks above lieutenant general ("three-star general"). There have been 73 four-star generals in the history of the United States Marine Corps. Of these, 55 achieved that rank while on active duty, 17 were promoted upon retirement in recognition of combat citations ("tombstone promotions", 1942–1959), and one was promoted posthumously. Generals entered the Marine Corps  via several paths: 29 via Officer Candidates School (OCS), 24 via Naval Reserve Officer Training Corps (NROTC) at a civilian university, 10 via the United States Naval Academy (USNA), 3 via Reserve Officers' Training Corps (ROTC) at a civilian university, and 7 via ROTC at a senior military college. List of generals. Entries in the following list of four-star generals are indexed by the numerical order in which each officer was promoted to that rank while on active duty, or by an asterisk (*) if the officer did not serve in that rank while on active duty. Each entry lists  the general's name, date of rank, active-duty positions held while serving at four-star rank, number of years of active-duty service at four-star rank (Yrs), year commissioned and source of commission, number of years in commission when promoted to four-star rank (YC), and other biographical notes. Tombstone generals. The Act of Congress of March 4, 1925, allowed officers in the Navy, Marine Corps, and Coast Guard to be promoted one grade upon retirement if they had been specially commended for performance of duty in actual combat. Combat citation promotions were colloquially known as "tombstone promotions