Major George Herman O'Brien Jr., A Marine's Story
Major George Herman O'Brien Jr., A Marine's Story
Major George Herman O'Brien Jr. was born on September 10, 1926, in Fort Worth, Texas. He graduated from Big Spring High School in 1944 and spent several years working as a merchant marine before enrolling at Texas Technological College in 1946. In 1950, he graduated with a degree in geology and began a civilian career in the oil and gas industry as a petroleum geologist. Alongside this work, O’Brien enlisted in the United States Marine Corps Reserve, committing himself to military service while building his professional life.
On November 27, 1951, Major O’Brien was called to active duty during the Korean War. After completing additional combat training and Officer Candidate School, he was assigned to Company H, 3rd Battalion, 7th Marines. He deployed to Korea, where U.S. and allied forces were engaged in intense positional fighting along contested ridgelines.
On October 27, 1952, during the recapture of a heavily defended position known as “The Hook,” Major O’Brien distinguished himself through extraordinary leadership and bravery. While leading his company under heavy enemy fire, he was wounded early in the engagement. Despite his injuries, he refused evacuation and continued directing his Marines through a prolonged and brutal battle that deteriorated into close-quarters, hand-to-hand combat.
As the fighting intensified, Major O’Brien repeatedly exposed himself to enemy fire to maintain control of his unit, rallying his Marines and coordinating defensive positions. When the enemy counterattacked, he remained on the hill with his wounded Marines, ensuring their safety and accountability while evacuation operations were conducted. His actions played a decisive role in securing the position and preventing its recapture.
For his conspicuous gallantry, exceptional leadership, and unwavering devotion to his Marines at great personal risk, Major George Herman O’Brien Jr. was awarded the Congressional Medal of Honor.
Following the war, Major O’Brien returned to his civilian career in petroleum geology while continuing his service in the Marine Corps Reserve. He remained committed to both professions throughout his life. Major O’Brien died on March 11, 2005, and is buried at the Texas State Cemetery in Austin, Texas.
His Medal of Honor, as he often stated, was not claimed for himself alone, but held in trust for those who did not return—a reflection of the leadership and humility that defined his service.
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