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. 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==