thedrifter
03-14-05, 05:56 AM
Phase 1 - Operation Junction City
Phase I of Operation JUNCTION CITY was conducted from 22 February to 17 March and involved forces of the U.S. 1st and 25th Infantry Divisions and some South Vietnamese forces deployed in the shape of a giant horseshoe. 1st Division elements constituted the east and north portion of the inverted U; the 25th was assigned the northwestern and western portions and the mission of driving a force north through the open end. With a perimeter of approximately sixty kilometers, the western leg of the horseshoe extended north of Tay Ninh along Route 22 (with major concentration north of Route 247) to the junction at Route 246 on the Cambodian border. The top of the horseshoe was generally delineated by Route 246 (which in that area was nothing more than a cart trail) parallel to the Cambodian border on the north. The east portion continued along Route 246 to the vicinity of Katum and from there south along Route 4 to south of Prek Klok. It was through the southern opening of the horseshoe that 25th Division forces initiated their drive north to conduct search and destroy operations. To the west, south, and east of the horseshoe sweep operations were to be conducted by the units forming it.
The controlling headquarters for Junction City was II Field Force, Vietnam, under General Seaman. For the first time in the war, II Field Force headquarters displaced to the field and opened a tactical command post at Dau Tieng on D-day.
Combat Forces
During Phase I of Operation JUNCTION CITY the Big Red One, commanded by Major General John H. Hay, Jr., employed two of its three organic brigades (the other remained active on Revolu-tionary Development operations) and was augmented by the 173d Airborne Brigade and two South Vietnamese units named Task Force WALLACE the 35th Ranger Battalion and one troop from the ad Battalion, 1st Cavalry Regiment. Later in Phase I the 1st Bri-gade, 9th U.S. Infantry Division, joined the 1st Division to keep Route 13 open from Lai Khe to Quan Loi. The division's missions for Phase I were to conduct air and ground assaults to block enemy escape routes in the northern and eastern portion of the area of operations; conduct search and destroy operations; secure lines of communication from Tay Ninh to Katum (consisting of approximately forty-five kilometers of Route 4); and provide security during engineer construction at Katum and Prek Klok. On D-day the 1st Brigade (Colonel Caldwell), comprised of four infantry battalions and Task Force WALLACE was to assault by air and establish blocking positions in the northern portion of the area. The 173d Airborne Brigade (Brigadier General John R. Deane, Jr.) with three battalions was directed to assault by air on D-day and establish blocking positions from Katum to the 1st Brigade area; this put the 173d on the northeast portion of the horseshoe. Respon-sibility for the eastern leg of the horseshoe was assigned to the division's 3d Brigade (Colonel Marks). His brigade included one mechanized battalion, an infantry battalion, and the cavalry squadron with one tank company attached. This brigade was to attack north on D-day along Route 4, establish fire support bases, and link up with the 173d. Each of the brigades had at least one artillery battalion in direct support.
During Phase I of Operation JUNCTION CITY the 25th (Tropic Lightning) Division under General Weyand employed its organic 2d Brigade with other units under division control, namely, the 3d Brigade, 4th Infantry Division; 196th Light Infantry Brigade; 11th Armored Cavalry Regiment (-); and two South Vietnamese units, the 1st and 5th Marine Battalions (Task Force ALPHA). The 1st Brigade, 9th Infantry Division, part of the division's task organization, was placed under the operational control of the 1st Infantry Division later in Phase I.
Under the 25th Division's plan, the 3d Brigade, 4th Infantry Division (Colonel Garth), would block and continue to conduct search and destroy operations from the area which it held at the close of Operation GARDEN on 21 February in the far western portion of the operational area. Assigned to the brigade were one mechanized infantry battalion, two infantry battalions, one troop of cavalry, and a company of armor. Operating closely with Garth's brigade was the 196th Brigade (General Knowles), which on D-day would conduct airmobile assaults with its three infantry battalions along the northwest portion of the horseshoe to establish blocking positions and seal enemy escape routes into Cambodia. The positions of the 25th Division units would thus form the broad left leg of the horseshoe and would complete, along with the 1st Division, the seal of the operational area. The division's 2d Brigade (Colonel Marvin D. Fuller) and Colonel William W. Cobb's 11th Armored Cavalry (-) constituted the hammer forces that on D plus 1 would drive north into the horseshoe to locate and destroy enemy forces and facilities.
Both the Tropic Lightning Division and the Big Red One started deploying forces for JUNCTION CITY on 18 February (D minus 4) and were ready to roll by D-day.
D-Day, 22 February 1967
On D-day the operation order was implemented as envisaged. Nine infantry battalions conducted air assaults (eight airmobile, one parachute) to cordon the entire northern portion of the objective area. At the same time, the 25th Division adjusted its one brigade in blocking positions on the west while positioning additional units for the attack into the horseshoe; the 3d Brigade, 1st Division, pushed- north up Provincial Route 4 to complete the horseshoe.
The 1st Brigade, 1st Division, initiated the airmobile operations from Minh Thanh with one battalion making an airmobile assault at 0813 into a landing zone north of Route 246 and only 1,600 meters south of the Cambodian border. Sporadic small arms fire was encountered from the southern portion of the landing zone; however, the zone was quickly secured. The other two battalions of the brigade air assaulted into LZ's to the west of the first battalion at 1130 and 1630. They were unopposed.
Earlier that day, 845 paratroopers had boarded sixteen C-130's at Bien Hoa and at 0900 the 173d Airborne Brigade began its combat jump. As the aircraft approached the drop zone (three kilometers north of Katum), the jumpmaster's voice rose above the roar of the C-130: "Stand in the Door." General Deane moved to the right door; taking his position in the left door was Lieutenant Colonel Robert H. Sigholtz, commander of the airborne task force composed of the 2d Battalion, 503d Infantry; A Battery, ad Battalion, 319th Artillery; and elements of the 173d Brigade headquarters and headquarters company. As the green light flashed "go," General Deane jumped, leading the first U.S. combat parachute assault since the Korean War. There was no enemy contact during the jump.
(Chief Warrant Officer Howard P. Melvin of San Francisco, California, then 53 years old, was participating in his fifth combat parachute assault over a period of some twenty years. His previous four were Gela, Sicily, Salerno, and St. Mere Eglise.)
By 0920 all companies had established command posts. A heavy equipment drop commenced at 0925 and continued periodically throughout the day. By 1230 the battalion command post was estab-lished. There had been only eleven minor injuries as a result of the jump.
Almost simultaneously with the airborne assault, the 196th Brigade of the 25th Division began airmobile assaults in the vicinity of Route 246 along the northwestern portion of the horse-shoe. By 1350 all three battalions had completed their assaults unopposed.
http://images8.fotki.com/v160/photos/1/133612/1940870/Shelling-vi.jpg
The northeastern portion of the inverted U was completed by the two other battalions of the 173d Brigade, then at Quan Loi, making their airmobile assaults into four landing zones, three north and one south of Katum.
Ground elements for the operation had started rolling at 0630 on D-day as the 1st Division's 3d Brigade entered the action. While an infantry battalion remained in Suoi Da, other forces of the brigade attacked north along Route 4 from Artillery Base I at the "French Fort." Following the attacking force, the mechanized infantry battalion moved into defensive positions at planned artillery bases near Prek Klok and three kilometers to the north.
Artillery for the bases was in the column and was dropped off as the column came to the appropriate fire base. In the column was also the armored company of the 173d Brigade which would revert to the brigade's control upon linkup. Although there were temporay delays in getting the column pushed through caused by mines, road repair, and the need to bridge some streams, the 1inkup with elements of the 173d just south of Katum occurred at 1500.1 The division engineer elements in the column had had a busy day in making Route 4 passable and in launching three AVLB's over streams.
The 2d Brigade, 25th Division, and the 11th Armored Cavalry Regiment (-) moved to positions near the open (south) end of the horseshoe and poised for their attack to the north in the morning. The remaining brigade under the 25th Division continued search and destroy operations east of Route 22 and north of Trai Bi.
Eighteen battalions, organized into six brigades, and one cavalry regiment were now deployed around the horseshoe. Thirteen mutually supporting fire support bases also ringed the operational area.
Throughout the day enemy contact and casualties remained light with four Americans killed and twenty-three wounded; enemy losses were unknown. The Air Force had also had a busy day, having flown 216 preplanned strike sorties in direct support of the ground operation.
D Plus 1, 23 February
The combined elements of the 11th Armored Cavalry Regiment (-) and the 2d Brigade of the 25th Division thrust northward through the open end of the horseshoe to trap the Viet Cong and locate and destroy COSVN and North Vietnamese Army-Viet Cong installations. The units immediately began to uncover significant caches of enemy supplies and equipment. Only four minor contacts, however, were made during the day's search.
http://images6.fotki.com/v162/photos/1/133612/1940870/moving-vi.jpg
Phase I of Operation JUNCTION CITY was conducted from 22 February to 17 March and involved forces of the U.S. 1st and 25th Infantry Divisions and some South Vietnamese forces deployed in the shape of a giant horseshoe. 1st Division elements constituted the east and north portion of the inverted U; the 25th was assigned the northwestern and western portions and the mission of driving a force north through the open end. With a perimeter of approximately sixty kilometers, the western leg of the horseshoe extended north of Tay Ninh along Route 22 (with major concentration north of Route 247) to the junction at Route 246 on the Cambodian border. The top of the horseshoe was generally delineated by Route 246 (which in that area was nothing more than a cart trail) parallel to the Cambodian border on the north. The east portion continued along Route 246 to the vicinity of Katum and from there south along Route 4 to south of Prek Klok. It was through the southern opening of the horseshoe that 25th Division forces initiated their drive north to conduct search and destroy operations. To the west, south, and east of the horseshoe sweep operations were to be conducted by the units forming it.
The controlling headquarters for Junction City was II Field Force, Vietnam, under General Seaman. For the first time in the war, II Field Force headquarters displaced to the field and opened a tactical command post at Dau Tieng on D-day.
Combat Forces
During Phase I of Operation JUNCTION CITY the Big Red One, commanded by Major General John H. Hay, Jr., employed two of its three organic brigades (the other remained active on Revolu-tionary Development operations) and was augmented by the 173d Airborne Brigade and two South Vietnamese units named Task Force WALLACE the 35th Ranger Battalion and one troop from the ad Battalion, 1st Cavalry Regiment. Later in Phase I the 1st Bri-gade, 9th U.S. Infantry Division, joined the 1st Division to keep Route 13 open from Lai Khe to Quan Loi. The division's missions for Phase I were to conduct air and ground assaults to block enemy escape routes in the northern and eastern portion of the area of operations; conduct search and destroy operations; secure lines of communication from Tay Ninh to Katum (consisting of approximately forty-five kilometers of Route 4); and provide security during engineer construction at Katum and Prek Klok. On D-day the 1st Brigade (Colonel Caldwell), comprised of four infantry battalions and Task Force WALLACE was to assault by air and establish blocking positions in the northern portion of the area. The 173d Airborne Brigade (Brigadier General John R. Deane, Jr.) with three battalions was directed to assault by air on D-day and establish blocking positions from Katum to the 1st Brigade area; this put the 173d on the northeast portion of the horseshoe. Respon-sibility for the eastern leg of the horseshoe was assigned to the division's 3d Brigade (Colonel Marks). His brigade included one mechanized battalion, an infantry battalion, and the cavalry squadron with one tank company attached. This brigade was to attack north on D-day along Route 4, establish fire support bases, and link up with the 173d. Each of the brigades had at least one artillery battalion in direct support.
During Phase I of Operation JUNCTION CITY the 25th (Tropic Lightning) Division under General Weyand employed its organic 2d Brigade with other units under division control, namely, the 3d Brigade, 4th Infantry Division; 196th Light Infantry Brigade; 11th Armored Cavalry Regiment (-); and two South Vietnamese units, the 1st and 5th Marine Battalions (Task Force ALPHA). The 1st Brigade, 9th Infantry Division, part of the division's task organization, was placed under the operational control of the 1st Infantry Division later in Phase I.
Under the 25th Division's plan, the 3d Brigade, 4th Infantry Division (Colonel Garth), would block and continue to conduct search and destroy operations from the area which it held at the close of Operation GARDEN on 21 February in the far western portion of the operational area. Assigned to the brigade were one mechanized infantry battalion, two infantry battalions, one troop of cavalry, and a company of armor. Operating closely with Garth's brigade was the 196th Brigade (General Knowles), which on D-day would conduct airmobile assaults with its three infantry battalions along the northwest portion of the horseshoe to establish blocking positions and seal enemy escape routes into Cambodia. The positions of the 25th Division units would thus form the broad left leg of the horseshoe and would complete, along with the 1st Division, the seal of the operational area. The division's 2d Brigade (Colonel Marvin D. Fuller) and Colonel William W. Cobb's 11th Armored Cavalry (-) constituted the hammer forces that on D plus 1 would drive north into the horseshoe to locate and destroy enemy forces and facilities.
Both the Tropic Lightning Division and the Big Red One started deploying forces for JUNCTION CITY on 18 February (D minus 4) and were ready to roll by D-day.
D-Day, 22 February 1967
On D-day the operation order was implemented as envisaged. Nine infantry battalions conducted air assaults (eight airmobile, one parachute) to cordon the entire northern portion of the objective area. At the same time, the 25th Division adjusted its one brigade in blocking positions on the west while positioning additional units for the attack into the horseshoe; the 3d Brigade, 1st Division, pushed- north up Provincial Route 4 to complete the horseshoe.
The 1st Brigade, 1st Division, initiated the airmobile operations from Minh Thanh with one battalion making an airmobile assault at 0813 into a landing zone north of Route 246 and only 1,600 meters south of the Cambodian border. Sporadic small arms fire was encountered from the southern portion of the landing zone; however, the zone was quickly secured. The other two battalions of the brigade air assaulted into LZ's to the west of the first battalion at 1130 and 1630. They were unopposed.
Earlier that day, 845 paratroopers had boarded sixteen C-130's at Bien Hoa and at 0900 the 173d Airborne Brigade began its combat jump. As the aircraft approached the drop zone (three kilometers north of Katum), the jumpmaster's voice rose above the roar of the C-130: "Stand in the Door." General Deane moved to the right door; taking his position in the left door was Lieutenant Colonel Robert H. Sigholtz, commander of the airborne task force composed of the 2d Battalion, 503d Infantry; A Battery, ad Battalion, 319th Artillery; and elements of the 173d Brigade headquarters and headquarters company. As the green light flashed "go," General Deane jumped, leading the first U.S. combat parachute assault since the Korean War. There was no enemy contact during the jump.
(Chief Warrant Officer Howard P. Melvin of San Francisco, California, then 53 years old, was participating in his fifth combat parachute assault over a period of some twenty years. His previous four were Gela, Sicily, Salerno, and St. Mere Eglise.)
By 0920 all companies had established command posts. A heavy equipment drop commenced at 0925 and continued periodically throughout the day. By 1230 the battalion command post was estab-lished. There had been only eleven minor injuries as a result of the jump.
Almost simultaneously with the airborne assault, the 196th Brigade of the 25th Division began airmobile assaults in the vicinity of Route 246 along the northwestern portion of the horse-shoe. By 1350 all three battalions had completed their assaults unopposed.
http://images8.fotki.com/v160/photos/1/133612/1940870/Shelling-vi.jpg
The northeastern portion of the inverted U was completed by the two other battalions of the 173d Brigade, then at Quan Loi, making their airmobile assaults into four landing zones, three north and one south of Katum.
Ground elements for the operation had started rolling at 0630 on D-day as the 1st Division's 3d Brigade entered the action. While an infantry battalion remained in Suoi Da, other forces of the brigade attacked north along Route 4 from Artillery Base I at the "French Fort." Following the attacking force, the mechanized infantry battalion moved into defensive positions at planned artillery bases near Prek Klok and three kilometers to the north.
Artillery for the bases was in the column and was dropped off as the column came to the appropriate fire base. In the column was also the armored company of the 173d Brigade which would revert to the brigade's control upon linkup. Although there were temporay delays in getting the column pushed through caused by mines, road repair, and the need to bridge some streams, the 1inkup with elements of the 173d just south of Katum occurred at 1500.1 The division engineer elements in the column had had a busy day in making Route 4 passable and in launching three AVLB's over streams.
The 2d Brigade, 25th Division, and the 11th Armored Cavalry Regiment (-) moved to positions near the open (south) end of the horseshoe and poised for their attack to the north in the morning. The remaining brigade under the 25th Division continued search and destroy operations east of Route 22 and north of Trai Bi.
Eighteen battalions, organized into six brigades, and one cavalry regiment were now deployed around the horseshoe. Thirteen mutually supporting fire support bases also ringed the operational area.
Throughout the day enemy contact and casualties remained light with four Americans killed and twenty-three wounded; enemy losses were unknown. The Air Force had also had a busy day, having flown 216 preplanned strike sorties in direct support of the ground operation.
D Plus 1, 23 February
The combined elements of the 11th Armored Cavalry Regiment (-) and the 2d Brigade of the 25th Division thrust northward through the open end of the horseshoe to trap the Viet Cong and locate and destroy COSVN and North Vietnamese Army-Viet Cong installations. The units immediately began to uncover significant caches of enemy supplies and equipment. Only four minor contacts, however, were made during the day's search.
http://images6.fotki.com/v162/photos/1/133612/1940870/moving-vi.jpg