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Vietnam War: Operation Dewey Canyon

By Marc Bernstein | Vietnam  | 4 comments  | Print This Post Print This Post  | Email This Post Email This Post

The Marines moved rapidly up Route 922, seeking to force the North Vietnamese Army into the path of 1/9 and 3/9, still in South Vietnam. Along the way, 2/9 engaged in several significant firefights with enemy troops and captured a number of artillery pieces, plus large quantities of ammunition and foodstuffs: “It was an exhilarating feeling for Marines to be in the exploitive phase of a battle and raiding the enemy’s supply dump/rear area,” Captain Winecoff later wrote. “In this author’s 27 months in Vietnam, this was the one time where intelligence was available down at the company level, the one time that operational plans were based upon a competent intelligence plan.”

Officially, 2/9 lost eight men killed and 33 wounded while operating in Laos. During one NVA attack, Corporal William D. Morgan of Company H came to the aid of two wounded Marines by single-handedly assaulting an enemy bunker. Killed in the assault, Morgan’s actions allowed the rest of his patrol to rescue the wounded men. He was posthumously awarded the Medal of Honor—with the place of action listed as “southeast of Vandegrift Combat Base, Quang Tri Province, Republic of Vietnam,” rather than where his heroism had actually occurred, inside Laos.

In 1/9’s sector in the center of the Dewey Canyon area of operations, Lieutenant Wesley L. Fox’s Company A engaged in heavy fighting on February 22. After overrunning a North Vietnamese Army squad located in bunkers, Fox requested that battalion send its water detail down to a nearby creek for badly needed replenishment. While the 20-man detail was filling canteens, it came under mortar and machine gun fire. Fox broke off the watering operation and began moving his company forward to attack the enemy. A platoon ran up against a heavily fortified bunker complex, backed by rocket-propelled grenade, machine gun and mortar emplacements on a ridge. Fox committed three platoons to the fighting, but was unable to make effective use of artillery because of poor visibility, terrain, and the closeness of the combat.

The company command group took a direct hit from a mortar round, killing or wounding everyone in it except the executive officer. Nevertheless, Fox continued in command and personally killed an enemy sniper with his M-16 rifle and destroyed an NVA position. With two dead radiomen, he took charge of the radios and took personal command of his 3rd Platoon after its platoon leader was killed. In fighting off a final enemy assault, Fox was again wounded, but refused all medical aid. Company D eventually came to beleaguered Company A’s assistance, and by the time the smoke cleared, 105 North Vietnamese dead littered the battlefield. The Marines also captured 25 automatic weapons. Eleven Marines were killed and 72 wounded in the desperate fight.

Lieutenant (later Colonel) Fox, who had spent 16 years as an enlisted Marine and had extended his Vietnam tour of duty, received the Medal of Honor for his brilliant leadership during this battle. Three Navy Crosses and six Silver Stars were also awarded to Marines of Company A for their actions on February 22.

The 1st Battalion now moved eastward in the direction of Hills 1044 and 1224 (Tam Boi) and along South Vietnam’s Route 548. On the slopes of Hill 1044 on February 27, Company D uncovered and destroyed one of the largest NVA arms caches of the war. The supply depot held 629 rifles, 60 machine guns, 14 mortars, 15 recoilless rifles, 19 antiaircraft guns and over 100 tons of munitions.

In the meantime, 3/9, responsible for the eastern flank of Dewey Canyon operations (all within South Vietnam), came across other important NVA facilities. At Tam Boi in late February, the Marines discovered a huge headquarters and administrative complex that comprised 11 major tunnels carved into solid rock and housed extensive repair shops, storage rooms and a hospital. These facilities could withstand direct hits from artillery and aerial bombs. After securing Tiger Mountain (Hill 1228) near the end of February, 3/9 established Fire Support Base Turnage to provide artillery support for continuing operations on the edge of the A Shau Valley.

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  1. 4 Comments to “Vietnam War: Operation Dewey Canyon”

  2. My dad was in this operation.He doesnt talk much about it so this article taught me a lot about what really happened.

    By damon lyles on Jul 31, 2008 at 10:37 pm

  3. I was with D/1/9 when we went to help Alpa Company, and after when we encountered huge caches of materiel; that Ho Chi Min trail was something else; this article really brought back some memories; good friend Bill O’Shea was killed during an ambush

    By Randolfo V. Lopez on Aug 29, 2008 at 5:09 pm

  4. I LOST MY BROTHER FRED POTE ON 03/06/69 FROM 1/9 ALPHA CO. I STILL HAVE MANY PHOTOS OF CAPTURED WEAPONS I’M WILLING TO SHARE THEM,

    By HARRY A. POTE on Oct 19, 2008 at 12:34 pm

  5. I was there with Company I, 3/9. We were at Tiger Mountains
    supporting other elements of the 9th Marines operating in the
    area. It was one hell of an operation and I couldn’t more happier
    when it was over. Thank you Lord for protecting us and bless all
    those who were involved in this operation and throughout the
    years of the Viet Nam War. Thank you Marines. I’m retired now
    but our history is in my heart. I love you all and God bless you
    and your families.

    Puni Mikaele
    GySgt, USMC (Ret)

    By Puni Mikaele on Oct 26, 2008 at 5:40 am

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