Last time we spoke about the Aitape-Wewak Campaign. General Dunckel’s task force successfully invaded Mindoro, establishing airfields to support operations on Luzon. With General Eichelberger's 8th Army and General Krueger's 6th Army poised to capture Lingayen Gulf, guerrilla forces on Luzon provided crucial intelligence. As plans for the Luzon invasion solidified, General Yamashita prepared defenses, predicting an assault between January 10 and 20. Despite dwindling resources, he aimed to delay the enemy’s advance. Meanwhile, Allied forces readied for a swift amphibious attack to secure Manila and restore the Philippine government. In December, Australian forces established outposts at Yasile and Yambes, successfully repelling Japanese attacks. After fierce clashes, they advanced 40 miles along the coast. Meanwhile, the U.S. military bolstered defenses in Saipan and launched bombing raids on Japanese facilities, achieving mixed results. Despite heavy losses, they began to impact Japanese production capabilities. As the month ended, the Japanese launched a final assault on the Marianas, but the Allies continued their strategic advances, setting the stage for future operations.

This episode is the Invasion of Luzon

Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945.

We last left off with the plans for Operation Mike 1 being finished. General Swift’s 1st Corps was ready to land on the eastern beaches of Lingayen Gulf, while General Griswold’s 14th Corps prepared to go ashore on the western beaches. Additionally, successful diversionary operations had been conducted on Mindoro, and Admiral McCain’s Task Force 38 executed several moderately successful strikes against Formosa and the Ryukyu Islands in early January. Meanwhile, the 14th Corps elements staging at New Britain completed loading on 10 December; those mounting at Bougainville finished two days later. On the 17th all groups of the III Amphibious Force rendezvoused at Huon Gulf, eastern New Guinea, to rehearse the Lingayen assault. General Griswold felt that the 37th Division's rehearsal was satisfactory but had much fault to find with the 40th Division, remarking upon a "general failure to observe the spirit of the rehearsal." As a result, further training was conducted at Manus Island in the Admiralties, where the convoy reassembled on 22 December.

On December 27, Admiral Wilkinson dispatched his LSTs and LSMs, followed by the remainder of Task Force 79 four days later. On the same day, Admiral Barbey’s convoy, which included Major-General Leonard Wing’s 43rd Division, loaded at Aitape before proceeding to Sansapor to load Major-General Edwin Patrick’s 6th Division. Task Force 78 departed Sansapor on December 30, heading to a rendezvous point with other elements of Admiral Kinkaid’s Luzon Attack Force. By January 4, all components of Task Force 77 had successfully gathered at Leyte Gulf, with MacArthur personally boarding the light cruiser Boise. Kinkaid’s minesweepers, Admiral Oldendorf’s Bombardment and Fire Support Group, and most of Admiral Durgin’s escort carriers had already left the gulf on January 2 to conduct preliminary operations off Luzon. By January 6, the rest of the Luzon Attack Force began moving toward Lingayen Gulf, led by Admiral Berkey’s light cruisers.

As Mindoro-based aircraft significantly increased the intensity of their assaults during the last week of December—sinking seven transports and two escorts, and destroying over 140 aircraft. General Yamashita's tense and expectant forces were still racing against time to complete,their battle preparations when the first warnings came that the enemy was again on the move. At 1322 on 2 January, a naval lookout post on Surigao Strait reported that a long train of about 80 enemy ships, screened by destroyers, was moving through the strait into the Mindanao Sea. Other reports which followed immediately warned that large numbers of invasion craft were gathered in the Leyte, Palau and Marianas areas, and that enemy submarines had appeared in force off the west coast of Luzon. At first it was thought that the enemy convoy was merely a reinforcement and resupply group destined for Mindoro. On 3 January, however, developments began to point more conclusively toward a full-scale amphibious operation against Luzon. In the afternoon, just as the initially sighted enemy group passed into the Sulu Sea, a large enemy naval task force, including 12 escort carriers, four battleships and eight cruisers, was reported following in its wake through Surigao Strait. Another delayed report stated that an enemy transport convoy of 90 ships, under strong naval escort, had been spotted the previous day northwest of Palau, heading in the direction of Leyte Gulf.

General Yamashita grew concerned that a large-scale amphibious operation against Luzon was imminent. Consequently, he decided to relocate his headquarters to Baguio. These concerns were validated in early January when Japanese lookouts spotted Kinkaid’s warships and transports approaching the island. In response, General Tominaga ordered aggressive kamikaze attacks on the Allied vessels, with a major assault on January 4 causing severe damage to the escort carrier Ommaney Bay, which ultimately had to be scuttled. The following day, Japanese attacks persisted, damaging two escort carriers, two cruisers, and three destroyers, among other ships. In retaliation, Durgin’s carrier aircraft launched strikes on Manila Bay, successfully sinking the destroyer Momi and damaging the Hinoki. On January 6, McCain’s carriers joined the effort, with American pilots tasked with targeting air facilities at Manila and Clark Field. Despite adverse weather conditions limiting the effectiveness of the strike, they succeeded in sinking one transport and six oilers, as well as destroying 32 Japanese aircraft. Meanwhile, as Oldendorf’s warships commenced their bombardment and minesweeping operations, kamikaze attacks continued.

The destroyer minesweeper USS Long (DD-209/DMS-12) missed the attack on Pearl Harbor by about two days, but then immediately started anti-submarine patrols and escort missions. Its long trajectory in the Pacific War saw it make escort runs to Midway, Palmyra and Canton; participate in the invasions of Amchitka, Attu and Kiska in Alaskan waters; escort reinforcements to Roi and Namur in the Marshalls; participate in the invasions of the Admiralties, Hollandia, Saipan and Palau; and be one of the first vessels to enter into Leyte Gulf back in October. During the invasion of Lingayen Gulf, Long began mine sweeps on January 6, evading and firing upon Japanese aircraft as she carried out her intricate mission. Shortly after noon, beginning her second run, Long spotted two Zeros heading for her. Long went to 25 knots and opened fire, but a kamikaze crashed into her portside below the bridge about 1 foot above the waterline. With fires and explosions amidships, Long lost power and internal communications, and was unable to fight fires forward. Her commanding officer, Lieutenant Stanley Caplan, fearing an explosion in the forward magazine, gave permission for men trapped on the forecastle to leave the ship; but through a misunderstanding the crew abandoned ship. Later that afternoon a second plane attacked Long and exploded at the same spot, destroying the bridge and breaking the ship's back. Long finally capsized and sank the following morning. Alongside the Long, battleships California and New Mexico, along with the cruisers Columbia, Australia, and Louisville, five destroyers, another minesweeper, and one transport were damaged.

Admiral Oldendorf was worried with good reason. Previously, kamikaze operations against his ships and those of other naval commands, though dangerous, had generally been executed by relatively untrained pilots who had taken few precautions to avoid detection and anti-aircraft fire and who often appeared to be flying partially damaged, lightly armored planes carrying little ordnance. In January the kamikazes had been operating in a far different manner. There was now a definite program of kamikaze operations, for the vast majority of the perhaps 100 Japanese aircraft that had attacked the forces under Admiral Oldendorf's command since January 2 had at least attempted kamikaze crashes. In addition, the pilots seemed to be more skilled. They took every advantage of radar-blanketing terrain, especially in the Lingayen Gulf area, and flew toward target ships at extremely low altitudes, thus helping to avoid both radar and visual detection. Flight tactics included radical maneuvering designed not only to avoid anti-aircraft fire and Allied planes but also to confuse observers as to which ship was the actual target. Finally, many of the kamikaze planes were heavily armored and armed. The Allies had expected great results from the relatively new proximity fuze for shipboard 5-inch antiaircraft weapons, but the Japanese planes usually appeared so suddenly and took such violent evasive action that 5-inch batteries could seldom track properly. The employment of the expensive special ammunition was, therefore, generally useless, and was sometimes even dangerous to friendly ships. Having missed approaching kamikazes by such distances that fuzes were not activated, shells sometimes sailed on to explode on or near Allied vessels, thereby causing some damage and many casualties.

Concerned about the effectiveness of the kamikaze attacks and recognizing that achieving air superiority did not prevent the enemy's suicide planes, Oldendorf opted for a psychological strategy. He ordered the minesweeper and bombardment groups to persist with their operations, even while sustaining damage, to convince the Japanese that their suicide missions were failing. Kinkaid shared these concerns and requested the cessation of all diversionary air operations to concentrate the main air offensive on Luzon. As a result, Admiral Halsey’s carrier-based aircraft and General Kenney’s ground forces were tasked with neutralizing all Japanese airfields in Luzon, supported by Durgin’s escort carriers. On January 7, McCain’s strikes on Luzon and Oldendorf’s bombardment of the Lingayen beaches continued, while underwater demolition teams entered the gulf to undertake the dangerous mission of dismantling beach obstacles. Again contrary to expectations, no beach obstacles were found. The "frog men" encountered only a little rifle and machine gun fire, and the few beach defenses they observed appeared to be unoccupied. Their tasks and those of hydrographic ships were completed on the 8th.

In retaliation, 20 to 25 kamikazes targeted various segments of the Luzon Attack Force, managing to sink two minesweepers and damage one LST. That night, Kinkaid’s destroyers successfully sank the Hinoki off Manila Bay. However, on January 8, the 3rd Fleet units began advancing towards Formosa, as MacArthur and Admiral Nimitz suspected that the kamikazes were launching from there. Without Halsey’s additional air support, the Japanese suicide planes once again attacked the Luzon Attack Force, this time damaging the cruiser Australia and the escort carriers Kitkun Bay and Kardashan Bay, as well as inflicting damage on an LSI, an LST, and an APA.

Due to significant losses, by the end of the day, the 2nd Air Fleet and the 1st Combined Base Air Force headquarters were disbanded. The 1st Air Fleet received orders to withdraw to Formosa for reorganization, while the severely weakened units of the 4th Air Army were set to continue limited attack operations for a short time until a final evacuation could be carried out. Returning on the morning of the 8th to resume bombardment about 08:00, one section again hit the Lingayen area. About ten minutes later a destroyer standing close inshore and a spotting plane from a battleship reported that Filipinos were forming a parade, complete with United States and Philippine flags, in the town of Lingayen. The fire was shifted to more westerly targets while leaflets were quickly prepared instructing the Filipinos to clear the area. A spotting plane dropped the leaflets and the paraders dispersed. Bombardment started again as soon as the area seemed vacated. The reasons for resuming the bombardment of Lingayen and its environs in the face of this friendly demonstration ashore are unknown, especially since neither underwater demolition teams nor spotting planes had discovered any signs of Japanese activity in the area. The town, at least, seemed safely in the hands of the Filipinos. The most obvious explanation is that erroneous intelligence, having indicated that strong defenses would be encountered in the area, made it incumbent upon Admiral Oldendorf to continue the bombardment whether he wanted to or not. Too much was at stake to take a chance. The Filipinos in the Lingayen area could hardly have been pleased as they saw their homes and public buildings damaged or destroyed by what to them must have seemed an unnecessary bombardment. It seems a tribute both to the Filipinos and to the prewar administration of the United States in the islands--as well as a severe and obvious indictment of Japanese occupation policies--that the people of the Philippines took such adversities in their stride, not permitting personal resentments to overcome judgment and loyalty.

Throughout the rest of 8 January, bombardment of the landing beach areas continued without incident. Practically no military installations or targets were found in the Lingayen town and airstrip area, and relatively few were discovered in the San Fabian region. The San Fabian bombardment vessels ran out of targets by 1530 and moved back up the gulf to strike the San Fernando area for another forty-five minutes, completing the task that the Japanese kamikazes had interrupted on the 6th. The Lingayen area ships had long since ceased their firing for the day. Thus ended preliminary bombardment operations. The heavy bombardment of the San Fernando sector on the 6th aroused great anxiety in General Yamashita's headquarters. An enemy landing in that sector would fall north of the main positions of the 58th Independent Mixed Brigade and create serious danger of a thrust toward Baguio over the Bauang-Naguilian Highway. The only means of meeting this potential threat was to change the planned employment of the 19th Division. The division was still in the San Fernando-Naguilian area due to postponement of its scheduled movement inland, and intense enemy air activity over the whole Lingayen area made it improbable that it could move in any case. Consequently, on 7 January, the Area Army ordered the division to assume responsibility for the defense of the sector north of a line running through Santiago, Magungunay, Mt. Bilbil, and Asin. Its main strength was to be concentrated between Naguilian and Baguio.

With preliminary operations finished, Kinkaid’s amphibious attack convoys arrived at the entrance to Lingayen Gulf around 04:00 on January 9. As the amphibious ships began landing operations, the fire support vessels of Admirals Barbey and Wilkinson positioned themselves for final pre-assault bombardment. In support of these efforts, McCain struck Formosa, destroying 47 Japanese aircraft, sinking seven ships, and damaging eleven others. Throughout the week, the fast carriers conducted a total of 3,030 offensive sorties, dropping approximately 700 tons of bombs at the cost of 86 aircraft. Pleased with the results of the anti-kamikaze operation, Nimitz finally permitted Halsey to launch a major raid into the South China Sea, codenamed Operation Gratitude. Meanwhile, back in Luzon, the pre-assault bombardment commenced at 07:00, gradually shifting fire from the landing beaches to the flanks of the assault area. At 09:00, the first amphibious vehicles began their approach from a departure line about 4,500 yards offshore, while rocket-armed landing craft and aircraft bombarded the beaches.

The landing beaches of the 14th Corps were located across the middle of Lingayen Gulf's southern shores and centered on Lingayen airstrip and the nearby grounds of the capitol of Pangasinan Province. In peacetime one would have considered the shore line a beautiful swimming beach, a magnificent strand of firm sand stretching eastward almost 9 miles from the mouth of the Calmay River to the mouth of the Dagupan. The east bank of the Dagupan, which enters the gulf midway between Lingayen and San Fabian, delineated the boundary between the 14th and the 1st Corps, and bridges over the Dagupan were expected to provide the first easy means of contact between the two corps. Since there was a gap of over 6 miles between the 1st Corps' westernmost beaches and the 14th Corps' easternmost, it was imperative that the Dagupan crossings be seized without delay. Planners anticipated that inasmuch as 1st Corps troops would be a mile or so closer to the river at the moment of landing they would be the first to reach the bridges, but it was 14th Corps' responsibility to relieve 1st Corps at the crossings as soon as possible. The 37th Division was to drive toward the Dagupan, while the 40th Division would make a quick thrust west and northwest to Port Sual and Alaminos. Port Sual, located at the southwestern corner of Lingayen Gulf, and at the western extremity of the Army Beachhead Line, possessed some importance as the site of minor port facilities. Alaminos, about twelve miles northwest of Port Sual, lay inland on the Bolinao Peninsula. Early capture of road junctions at Alaminos would help forestall Japanese attempts to organize counterattacks against the 6th Army's right flank.

In contrast, the beaches assigned to the 1st Corps were more widely spaced. The units of the 6th Division were scheduled to land on the Blue Beaches, located midway between the Dagupan River mouth and that of the Bued River. The 103rd Regiment was to land on White Beach 3 at San Fabian, while the 169th Regiment would land on White Beach 2, nearly two miles to the northeast. Additionally, the 2nd Battalion of the 172nd Regiment was set to land on the nearby White Beach 3. Fortunately for the American forces, they encountered minimal resistance as the initial waves approached the shore, facing only some challenges from the ebb tide. Shortly after 09:30, the 1st and 20th Regiments landed on the Blue Beaches, with the 1st Regiment quickly securing the mouth of the Bued River and advancing three miles inland to Mangaldan, while the 20th Regiment moved toward Dagupan. Meanwhile, Wing’s regiments landed on their designated beaches to the northeast but faced harassment from snipers, artillery, and mortar fire from Lieutenant General Nishiyama Fukutaro’s 23rd Division. However, the assault waves of the 14th Corps moved more slowly than expected, reaching the western beaches only by 09:40. The 185th Regiment captured Orange Beach, the 160th Regiment took Green Beach, the 148th Regiment secured Yellow Beach, and the 129th Regiment landed unopposed on Crimson Beach.

After landing on the beaches, the 1st Battalion of the 185th Regiment marched to the Agno River's mouth. Meanwhile, the 40th Reconnaissance Troop established a roadblock on the main road, just three miles east of Port Sual. The 2nd Battalion of the 185th Regiment advanced directly inland through Lingayen, successfully crossing the Calmay River and an east-west segment of the Agno River. Similarly, the 160th Regiment crossed the Calmay and assembled nearly four miles inland. The reserve 2nd Battalion of the 108th Regiment landed at Lingayen, while the 148th Regiment moved straight inland, crossing both the Calmay and Dagupan Rivers toward San Carlos. The 129th Regiment entered Dagupan and crossed the Patan River to reach Calasiao, with its 3rd Battalion eventually extending the line to connect with the 148th. By the end of the day, Griswold had established a beachhead stretching northwestward from Calasiao for nearly twenty miles to the outpost near Port Sual. At the same time, Wing's units encountered the most significant resistance from three tiers of ridges that overlooked the 43rd Division's beaches from the north, northeast, and east.

The 43rd Division had the most hazardous and difficult S-day tasks. On the division's left low hills lay scarcely three-quarters of a mile inland from WHITE Beaches 1 and 2. Stretching northward, and coming still closer to Lingayen Gulfs eastern shore, a first line of low, grass-covered hills formed a somewhat broken ridge line, the seaward slopes of which grew steeper as the hills proceeded north along the coast. Beyond this first range, which averaged less than 250 feet in height, lay another, more irregular north-south ridge that rose to 350 feet. Still further east--a little over three miles inland--was yet a third steep-sided, grass-covered ridge line, this one averaging around 600 feet high. The three tiers of ridges overlooked the 43rd Division's beaches from the north, northeast, and east. They provided the Japanese with natural defensive terrain, excellent observation, good positions from which to deliver direct fire on the beaches, and cover behind which there was protection from the essentially flat trajectory of naval support fires. Moreover, the ridges were close to assembly areas further inland that could provide large Japanese forces with cover and concealment. In a single night the Japanese could move considerable strength from these assembly points into the tiers of hills to launch a counterattack against the 6th Army's left.

While the 2nd Battalion of the 172nd Regiment advanced toward Hill 247, the 169th Regiment moved eastward, successfully reaching Binday and extending its lines north along the gentle slopes leading to Hill 470. Meanwhile, the 2nd Battalion of the 172nd Regiment quickly secured the barrios of Mabilao and Alacan, ultimately capturing Hill 247 despite scattered resistance. As small arms and mortar fire intensified, combat patrols advanced toward Hill 385, coinciding with the remainder of the 172nd coming ashore.

Finally, the 103rd Regiment took control of San Fabian without facing any opposition and then advanced generally south and southeast toward Hill 200, halting just north of San Jacinto by the end of the day. While the assault units of the 1st Corps successfully landed by dusk on January 9, Swift’s advance was not as deep as Griswold’s, leaving several dangerous gaps between his units. Throughout the day, the Japanese launched sporadic kamikaze attacks on the Luzon Attack Force, causing significant damage to the battleship Mississippi, hitting the cruisers Columbia and Australia again, and damaging one destroyer escort. Meanwhile, friendly anti-aircraft fire resulted in numerous casualties aboard the battleship Colorado. In response to the enemy landings, Yamashita decided to deploy the 2nd Tank Division to the Agno River line near Tayug, where the armored units were to execute a counterattack from the northern flank if the enemy overextended. He also sent five battalions under Lieutenant-General Tsuda Yoshitake to secure the Cabanatuan area, ordered Lieutenant-General Okamoto Yasuyuki’s 10th Division to position elements in the Triangle Hill and Tayug sectors to counter a potential enemy advance from Lingayen toward San Jose, stationed the majority of the 11th Independent Regiment at Bongabong, and directed the Noguchi Detachment to move from Bicol to the Manila area. During the night, the 12th Surface Raiding Regiment, based at Port Sual, attempted to disrupt further enemy landings with a full-scale suicide boat attack on ships near the beachhead. Taking advantage of the element of surprise, the small explosive-laden boats approached undetected but only succeeded in sinking one LCI and damaging eight other vessels.

In other areas, increased guerrilla activities and Allied airstrikes in northern Luzon had nearly stopped the Japanese from collecting and transporting vital food supplies to the critical defense zones within the Baguio-Mankayan-Bambang triangle. This disruption would hinder the 14th Area Army's capacity to conduct a prolonged defensive campaign. Although plans for a desperate, full-scale counteroffensive were developed, Yamashita decisively rejected this strategy, instead ordering the 2nd Tank Division to cancel its intended counterattack and regroup at Lupao, approximately eight miles northwest of San Jose. Meanwhile, on January 10, Griswold’s forces continued their advance inland: the 185th Regiment moved west toward Port Sual; the 160th Regiment progressed southward about eight miles; the 148th Regiment quickly advanced to San Carlos; and the 129th Regiment pushed forward to Malasiqui, where the 14th Corps faced enemy resistance for the first time since the landing. Additionally, the reserve 108th and 145th Regiments successfully landed on the Lingayen beaches. To the north, the 6th Division shifted generally south and southeast, covering about four miles across flat, dry, open farmland, and by nightfall, it secured a front of approximately seven miles from west to east. As they continued northeast, the 103rd Regiment expanded its front, with its 2nd Battalion advancing toward Manaoag while the other two battalions moved to the area northwest of Hill 200. Lastly, the 169th and 172nd Regiments encountered the most intense resistance thus far, providing an early glimpse of the challenges that would impede the 43rd Division for the upcoming month.

The 1st Battalion, 169th Regiment, supported by close artillery and mortar fire, engaged in combat along the steep, grassy slopes of Hill 470, ultimately capturing the summit by nightfall. Meanwhile, the rest of the regiment advanced across the Bued River toward Hills 355 and 318, but halted near the river due to heavy artillery, mortar, and machine-gun fire. To the north, the 172nd Regiment cleared Hill 385 and then moved toward Hills 351 and 580, gradually advancing along the southern section of the third ridge line, which was located inland from the beaches. Additionally, its 1st Battalion progressed two miles along the graveled coastal road and conducted patrols along the ridge crest. By nightfall, Krueger had determined that the 6th Army Reserve should be deployed in the 1st Corps’ area, as outlined in the pre-assault plans, due to the significant resistance faced by the 43rd Division. He suspected that the apparent lack of enemy resistance to the west was a trap, designed to lure the 6th Army into overextending its lines, making its flanks susceptible to a counterattack from the east. Fortunately for the Americans, Tominaga’s kamikaze attacks began to diminish in the days following the landing, with an attack on January 10 resulting in damage only to the destroyer escort LeRay Wilson and one transport ship. The next day, the 43rd Division continued to face challenges in Luzon. The Japanese mortar and artillery fire along the 172nd’s eastern front was so severe that Wing decided to shift the regiment's attack direction from east to north, resulting in minimal progress as they redeployed to strike toward Hills 351 and 580 from Hill 470. Additionally, the reserve 158th Regiment was landed to relieve the 1st Battalion, 172nd Regiment, on the coastal road.

Looking southeast, the 169th Regiment nearly encircled Hill 318. However, despite receiving maximum support from Durgin’s carrier aircraft, naval gunfire, and division artillery, they were unable to dislodge the Japanese forces, who had entrenched themselves in the hillside. Meanwhile, Griswold’s advance inland to secure the Army Beachhead Line continued to progress well on January 11. On the 11th the 185th Infantry patrolled and consolidated its positions on the west flank, suffered no casualties, killed 5 Japanese, and captured another. Early in the morning a Chevrolet sedan of 1940 or 1941 vintage, occupied by two Japanese, came calmly down the coast road from the direction of Port Sual. Obviously unaware that Company C, 185th Infantry, maintained a roadblock on the highway, the Japanese practically ran into the American outpost before they realized their situation. Before they could recover from their surprise and consternation, both Japanese were dead, and Company C had acquired some luxurious transportation.

Meanwhile the 160th Regiment reached Aguilar, a road junction already held by Filipino guerrillas. The 108th Regiment closely followed the 160th, and the 148th Regiment established a line from Dumpay westward for four miles to Bacnar, with patrols extending further south to Urbiztondo and Bayambang. By the end of the day, the 14th Corps had either occupied or outposted nearly all the territory within the Army Beachhead Line in its sector. However, with Swift’s units unable to keep up with the advance southward, Griswold faced the risk of exposing his eastern flank if he continued to push forward. Therefore, the 1st Corps needed reinforcement to prevent widening the gap along the corps boundary. As a result, the reserve 63rd Regiment and the 13th Armored Group were deployed in the San Fabian area, while the 6th Ranger Battalion, which had landed at Blue Beaches the previous day, moved to the Dagupan area. Additionally, Major-General Charles Mullins’ 25th Division began to assemble between the Agoi and Patalan Rivers. Despite these developments, casualties had been significantly lower than expected, with 55 men killed and around 185 wounded, primarily from the 43rd Division. Japanese casualties in ground operations were also relatively low, with American estimates suggesting between 150 and 200 Japanese killed.

Meanwhile, Task Force 38 made its way into the South China Sea via the Luzon Strait on January 10, accompanied by the refueling group. Although poor weather conditions thwarted a scheduled refueling on that day, Task Force 38 was completely fueled by noon on January 11 and prepared to carry out Halsey’s ambitious raid.

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As Allied forces prepared for a major assault on Luzon, kamikaze attacks intensified, leading to fierce battles and unexpected challenges, but Filipino resilience shone through despite devastation. On the shores of Lingayen Gulf, American forces launched a strategic landing, facing minimal resistance, but soon encountered fierce Japanese counterattacks as they advanced inland.

- 164 - Pacific War Podcast - Invasion of Luzon - January 7 - 14 , 1944

The Pacific War - week by week