Kenneth Wachter Benner (May 6, 1904 – September 10, 1975) was a decorated officer in the United States Marine Corps with the rank of Brigadier general. A graduate of the United States Naval Academy, he trained as Anti-Aircraft Artillery officer and participated in the Defense of Pearl Harbor, Guadalcanal Campaign and Battle of Okinawa.
Early career
Kenneth W. Benner was born on May 6, 1904, in Piqua, Ohio, the son of realtor and merchant Walter Phillip Benner and his wife Daisy. He graduated from the Piqua High School in summer 1921 and worked for one year as a reporter for the Piqua Dailly Call, before receiving an appointment to the United States Naval Academy at Annapolis, Maryland.
While at the Academy, Benner was active in the academy orchestra. Many of his classmates became general officers later in their careers. Among them were: Arthur H. Butler, Russell N. Jordahl, Nels H. Nelson, Elmer H. Salzman, Edward W. Snedeker, Thomas A. Wornham, Roy M. Gulick, Hartnoll J. Withers, James S. Russell, Laurence H. Frost, C. Wade McClusky, Robert B. Pirie, Charles L. Carpenter, Tom Hamilton and Henry C. Bruton.
Benner graduated with Bachelor of Science degree on June 3, 1926, and was commissioned a second lieutenant in the Marine Corps. He was subsequently ordered to the Basic School at Philadelphia Navy Yard for basic officer training, which he completed in February 1927 and remained in Philadelphia until the end of August that year, when he was attached to the 1st Brigade of Marines and embarked for Haiti.
He participated in the patrolling against Caicos bandits until September 1929, when he was ordered back to the United States and attached to the Marine Corps Base San Diego. By the end of June 1930, Benner was ordered to Hawaii, where he was assigned to the Marine Barracks at Pearl Harbor Navy Yard. He was promoted to First lieutenant on September 1, 1931, and embarked with 2nd Brigade of Marines to Nicaragua.
In March 1933, Benner returned stateside and assumed duty with the Marine Barracks at Naval Station Great Lakes, Illinois. He served in this capacity until July 1935, when he was ordered to the Army Coast Artillery School at Fort Monroe, Virginia. Benner completed a one-year course there in the summer of the following year and was promoted to Captain on June 30, 1936. He was subsequently ordered to the Marine Corps Schools, Quantico, where he served as an instructor of anti-aircraft artillery until April 1940.
He was subsequently ordered to Hawaii and joined the Marine Barracks at Pearl Harbor Navy Yard, where he participated in the newly established Marine defense battalions program. Marine defense battalions, special Marine units, which were designated the defense force of the Pacific naval bases and should be placed on Midway Atoll, Wake Island, Johnston Atoll, and Palmyra Atoll. Benner was ordered with a detachment of one officer, eight enlisted marines, and two navy hospital corpsmen, to Midway Atoll in July 1940 and relieved Captain Samuel G. Taxis and his detail. He was tasked with the reconnaissance and survey required for the antiaircraft defense of the Island. He was promoted to Major on September 1, 1940.
World War II
Benner then served as Battery Commander the similar duties on Wake Island until November 1941, when he was appointed Commanding officer of the 3-inch Antiaircraft Group and the Headquarters and Service Battery of the 3rd Defense Battalion under Colonel Robert H. Pepper. He was present at Pearl Harbor during Japanese attack on December 7, 1941, and commanded his group during the defense combats.
Benner then assumed command of 90mm Anti Aircraft Group of twelve guns and accompanied his unit to Guadalcanal in mid-August 1942 with the task of the anti-aircraft protection of Henderson Field captured by Marines few days earlier. He was wounded by enemy fire on August 29, 1942 and evacuated to New Caledonia for treatment. Moreover, Benner got infected with Malaria and was hospitalized for several months. For his wounds on Guadalcanal, he was decorated with Purple Heart. He was promoted to the temporary rank of lieutenant colonel on August 7, 1942, and assumed command of 3rd Defense Battalion on May 15, 1943. His battalion was stationed on Guadalcanal, which was transformed to the Army-Navy Base.