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,[1] active-duty positions held while serving at four-star rank,[2] number of years of active-duty service at four-star rank (Yrs),[3] year commissioned and source of commission,[4] number of years in commission when promoted to four-star rank (YC),[5] and other biographical notes.[6]
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" because they conferred all the perks and prestige of the higher rank including the loftier title on their tombstones but no additional retirement pay. The Act of Congress of February 23, 1942, enabled tombstone promotions to three- and four-star grades. Tombstone promotions were subsequently restricted to citations issued before January 1, 1947, and finally eliminated altogether effective November 1, 1959. The practice was terminated in an effort to encourage senior officer retirements prior to the effective date of the change to relieve an overstrength in the senior ranks.
Any general who actually served in a grade while on active duty receives precedence on the retirement list over any tombstone general holding the same retired grade. Tombstone generals rank among each other according to the dates of their highest active duty grade.
By the Act of March 21, 1945, Congress permitted the President to appoint the Commandant of the Marine Corps to the grade of general. Alexander Vandegrift, then Commandant, was promoted from lieutenant general to general on April 4, 1945, to rank from March 21 of that year. He thus became the first Marine to serve in the grade of general. The Office of the Commandant was permanently fixed at the grade of four-star general under authority of the Act of August 7, 1947. All Commandants since that date have been entitled by law to serve in the grade of general and, in accordance with the provisions of 10 U.S.C.§ 5201, to retire in that grade.
In April 1969, the Senate passed and sent a bill to the White House that makes the Assistant Commandant of the Marine Corps a four-star general when the active duty strength of the Marine Corps exceeds 200,000. On May 5, 1969, President Richard Nixon signed the bill, and Lieutenant General Lewis William Walt was promoted to that rank on June 2, 1969, thus becoming the first Assistant Commandant of the Marine Corps to attain four-star rank. Legislation allowing the Assistant Commandant to wear the four-star insignia regardless of the strength of the Marine Corps was approved by President Gerald Ford on March 4, 1976.
On November 22, 1985, General George B. Crist was promoted to four-star rank and on November 27, he assumed the position of Commander in Chief of U.S. Central Command at MacDill Air Force Base, Florida. His appointment marked the first time a Marine headed a unified command and the first time the Corps had three four-star generals on active duty at the same time. Since 1985, a number of Marines have served in joint positions holding four-star rank, and it is no longer uncommon for the Corps to have four or five four-star generals on active duty at the same time.
In 2005, General Peter Pace became the first Marine to be appointed as Chairman of the Joint Chiefs of Staff, the chief military advisor to the President of the United States and most senior appointment in the United States armed forces. Previously, in 2001, General Pace was the first Marine officer to be appointed as Vice Chairman of the Joint Chiefs of Staff (VJCS).
The standard tour length for the commandant (CMC) is four years; two years for the assistant commandant (ACMC); for a combatant commander, three years; and a total of four years served in consecutive two-year terms for the chairman and vice chairman of the Joint Chiefs of Staff (CJCS/VJCS).
The following list of Congressional legislation includes major acts of Congress pertaining to appointments to the grade of general in the United States Marine Corps.
Authorized one grade of general, appointed from officers serving now or hereafter as commandant of the Marine Corps, until six months after the end of World War II (Alexander A. Vandegrift) [made permanent in 1946 (60 Stat.59)].
Authorized all Marine Corps officers to retire with the rank but not the pay of the next higher grade if specially commended for performance of duty in actual combat on or before December 31, 1946 [repealed in 1959 (73 Stat.337)].
Authorized grade of general for assistant commandant of the Marine Corps if total active duty strength of Marine Corps exceeds 200,000 at time of appointment [strength requirement repealed in 1976 (90 Stat.202)].
Authorized president to designate positions of importance and responsibility to carry the grade of general, to be assigned from officers on active duty in any grade above colonel, subject to Senate confirmation, who revert to their permanent grade at the end of their assignment unless it was terminated by
assignment to another position designated to carry the same grade,
up to 180 days of hospitalization, or
up to 90 days prior to retirement [reduced to 60 days in 1991 (105 Stat.1354)].
Capped, except during war or national emergency, Marine Corps officers in grades above major general at 15 percent of all general officers on active duty.
Authorized three- and four-star officers to retire in the highest grade held on active duty, at the discretion of the president and subject to confirmation by the Senate, with no time-in-grade requirement [changed in 1996 to certification by secretary of defense and three-year time-in-grade requirement (110 Stat.292)].
Capped Marine Corps officers in the grade of general at 2, exempting up to 20 generals assigned to joint duty [joint-duty cap repealed in 2016, effective December 31, 2022 (130 Stat.2100), and lowered in 2021 to 19 (134 Stat.3563)].
^ abDates of rank are taken, where available, from the U.S. Navy and Marine Corps register of active and retired commissioned officers, or from the World Almanac and Book of Facts.
^Positions listed are those held by the officer when promoted to general. Dates listed are for the officer's full tenure, which may predate promotion to four-star rank or postdate retirement from active duty.
^ abThe number of years of active-duty service at four-star rank is approximated by subtracting the year in the "Date of rank" column from the last year in the "Position" column.
^ abThe number of years in commission before being promoted to four-star rank is approximated by subtracting the year in the "Commission" column from the year in the "Date of rank" column.
^Notes include years of birth and death; awards of the Medal of Honor, Congressional Gold Medal, Presidential Medal of Freedom, or honors of similar significance; major government appointments; university presidencies or equivalents; familial relationships with other four-star officers or significant government officials such as U.S. Presidents, cabinet secretaries, U.S. Senators, or state governors; and unusual career events such as premature relief or death in office.
^Posthumously promoted to general by Act of Congress, Jun 1947, with date of rank 23 Jan 1947.
^Reverted to lieutenant general, Jan 1952; retired as general, Jun 1954.
^Retired as general, Jan 1956; recalled as general, Mar 1956.
^Unable to assume post due to ill health; promoted and placed on retired list as general by Act of Congress, 1 Jul 1971; died 13 Jul 1971.
U.S. Bureau of Naval Personnel (1950–1959), Register of Commissioned and Warrant Officers of the United States Navy and Marine Corps, Washington D.C.: Department of the Navy