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Medal of Honor Recipient

George Herman O'Brien Jr

U.S. Marine Corps Reserve · Korean War

MOH-RC-002950Source-based record

The award

Representative medal image: Navy design with a neck ribbon. Not a portrait or a photograph of this recipient’s own medal.
Navy Medal of HonorAction-era reference: 1952

Portrait not yet available. Representative medal shown.

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Medal of Honor

1952-10-27

The Hook, Korea

Rank at action
Second Lieutenant
Service
U.S. Marine Corps Reserve
Conflict
Korean War
Unit or command
1st Platoon, Company H, 3d Battalion, 7th Marines, 1st Marine Division (Rein)

The Citation

Sources ↓
For conspicuous gallantry and intrepidity at the risk of his life above and beyond the call of duty as a rifle platoon commander of Company H, in action against enemy aggressor forces. With his platoon subjected to an intense mortar and artillery bombardment while preparing to assault a vitally important hill position on the main line of resistance which had been overrun by a numerically superior enemy force on the preceding night, 2d Lt. O'Brien leaped from his trench when the attack signal was given and, shouting for his men to follow, raced across an exposed saddle and up the enemy-held hill through a virtual hail of deadly small-arms, artillery, and mortar fire. Although shot through the arm and thrown to the ground by hostile automatic-weapons fire as he neared the well-entrenched enemy position, he bravely regained his feet, waved his men onward, and continued to spearhead the assault, pausing only long enough to go to the aid of a wounded marine. Encountering the enemy at close range, he proceeded to hurl handgrenades into the bunkers and, utilizing his carbine to best advantage in savage hand-to-hand combat, succeeded in killing at least 3 of the enemy. Struck down by the concussion of grenades on 3 occasions during the subsequent action, he steadfastly refused to be evacuated for medical treatment and continued to lead his platoon in the assault for a period of nearly 4 hours, repeatedly encouraging his men and maintaining superb direction of the unit. With the attack halted he set up a defense with his remaining forces to prepare for a counterattack, personally checking each position, attending to the wounded and expediting their evacuation. When a relief of the position was effected by another unit, he remained to cover the withdrawal and to assure that no wounded were left behind. By his exceptionally daring and forceful leadership in the face of overwhelming odds, 2d Lt. O'Brien served as a constant source of inspiration to all who observed him and was greatly instrumental in the recapture of a strategic position on the main line of resistance. His indomitable determination and valiant fighting spirit reflect the highest credit upon himself and enhance the finest traditions of the U.S. Naval Service.

Sources & record notes

General Order comparison: pending. Current-profile review does not mean that the underlying original order has been examined.

  1. George Herman O'Brien Jr — Congressional Medal of Honor Society recipient profile ↗Congressional Medal of Honor Society · Checked 2026-09-01

    current identity, service, action metadata, and citation comparison

Transcription, metadata & provenance notes
Award ID
MOH-AW-002965
Transcription status
Legacy full text · current reference profile matched
Last source check
2026-09-01
Entered service at
Big Spring, Tex.
Archive transcription SHA-256
60db4dba31a7b8659687b7f9f2b8f6560bcd72877cd23856d0f7cd858f4f57bd

Legacy transcription retained without substantive editing; rendered current reference profile comparison is documented in the Phase 10 evidence snapshot.

Current official profile expands the middle name and identifies Marine Corps Reserve service; the legacy form remains an alias.