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Daniel J. Callaghan

Daniel J. Callaghan (July 26, 1890 – November 13, 1942) was a United States Navy rear admiral renowned for his leadership during World War II, particularly in the Naval Battle of Guadalcanal, where he was posthumously awarded the Medal of Honor for extraordinary heroism.^[1] Born in San Francisco, California, to Charles and Rose Callaghan, he grew up in a family of Irish Catholic descent and attended Saint Ignatius Preparatory School before receiving an appointment to the United States Naval Academy.^[1] He graduated from the Academy in 1911, ranking in the upper half of his class, and was commissioned as an ensign.^[2] Callaghan's early career included service aboard several ships, such as the USS California during interventions in Nicaragua in the 1910s, and during World War I, he served as an engineering officer and later executive officer on the USS New Orleans, earning promotions to lieutenant and lieutenant commander. In the interwar period, he held various billets, including on the USS Mississippi and USS Colorado, and from 1938 to 1941, he served as naval aide to President Franklin D. Roosevelt, fostering close ties with the administration. Married to Mary Tormey since 1914, with whom he had a son, Callaghan was known for his devout faith and disciplined approach to duty. Promoted to rear admiral in April 1942 amid the escalating Pacific War, Callaghan took command of Task Group 67.4, with his flagship the USS San Francisco. His most notable action came on the night of November 12–13, 1942, during the first Naval Battle of Guadalcanal, where he led a desperate force of cruisers and destroyers to interpose between a superior Japanese bombardment group and Henderson Field on Guadalcanal, threatening Allied forces on the island.^[1] Despite being heavily outnumbered and under intense fire, Callaghan's task force inflicted significant damage on the enemy, including heavily damaging the battleship Hiei, at the cost of two American cruisers sunk and three destroyers, among heavy damage to other ships; he was killed by shrapnel from a Japanese shell while directing the battle from the San Francisco's bridge.^[3] For his "conspicuous gallantry and intrepidity at the risk of his life above and beyond the call of duty," Callaghan was awarded the Medal of Honor by President Roosevelt on December 9, 1942, presented to his son; he was buried at sea, with his name inscribed on the Wall of the Missing at the Manila American Cemetery.^[1] His sacrifice helped secure a critical victory that protected the Guadalcanal campaign, turning the tide in the Solomon Islands theater, and he is remembered as a symbol of naval valor, with several ships named in his honor, including the destroyer USS Callaghan (DD-792.^[2]

Early life and education

Family and upbringing

Daniel Judson Callaghan was born on July 26, 1890, in San Francisco, California, to Charles William Callaghan, a businessman and banker, and Rose Wheeler Callaghan.^[4]^[5]^[6] The family was devoutly Roman Catholic, with both parents descending from early California pioneers.^[7] Some sources indicate that while born in San Francisco, Callaghan was raised in nearby Oakland. Callaghan grew up in a respectable merchant family alongside two brothers and two sisters, including his younger brother William McCombe Callaghan, who later rose to the rank of vice admiral in the U.S. Navy.^[8] His childhood was shaped by the vibrant yet recovering environment of early 20th-century San Francisco following the 1906 earthquake and fire, a period marked by rapid rebuilding and a strong naval presence at local bases that likely fostered his early interest in the sea. As a young boy, he served as an altar boy and enjoyed family camping trips in Yosemite Valley. On July 23, 1914, Callaghan married Mary Teresa Tormey of Oakland, California.^[9] The couple had one son, Daniel Judson Callaghan Jr., born in 1915, who later served as a lieutenant commander in the U.S. Navy.^[10]

High school and Naval Academy

Callaghan attended St. Ignatius College Preparatory, a Jesuit institution in San Francisco, where he received his secondary education and graduated in 1907.^[11]^[12] In the same year, he received an appointment to the United States Naval Academy in Annapolis, Maryland, from his home state of California.^[12] Over the next four years, Callaghan pursued a demanding academic program that emphasized engineering, navigation, seamanship, mathematics, physics, chemistry, international law, and modern languages such as French and Spanish, alongside physical training and moral instruction. Midshipmen like Callaghan also engaged in rigorous military drills, infantry and artillery exercises, and annual summer practice cruises aboard active U.S. Navy ships, including battleships such as the USS Iowa, USS Indiana, and USS Massachusetts, to apply theoretical knowledge in real-world maritime settings.^[13] These cruises, typically lasting two to three months, provided hands-on experience in ship handling, gunnery, and fleet operations under naval officers. Callaghan graduated with the Class of 1911 on June 2, 1911, ranking 39th in his class of 193, and was appointed a passed midshipman.^[12]^[14] Following academy tradition at the time, he then served a period of sea duty before receiving his commission as an ensign on March 7, 1912.^[15] His initial assignment was aboard the battleship USS California (Battleship No. 6), where he served from 1911 to 1912, gaining practical experience in naval operations, including participation in fleet maneuvers and gunnery drills during the Nicaraguan Campaign.^[12] This early exposure to battleship service laid the foundation for his subsequent naval career.^[15]

Pre-World War II naval career

World War I service

In November 1916, Callaghan reported aboard the protected cruiser USS New Orleans (CL-22) as an engineer officer, where he remained following the United States' entry into World War I in April 1917. The ship was assigned to Atlantic convoy escort duties, patrolling to protect merchant vessels from German U-boat attacks and contributing to the safe transport of troops and supplies across the ocean. During this period, Callaghan advanced to executive officer, overseeing operations amid the heightened threats of submarine warfare in the war zone.^[16]^[12] Callaghan received a temporary promotion to lieutenant on July 1, 1917, reflecting his growing responsibilities in the wartime Navy. He was further promoted to temporary lieutenant commander in July 1918, as the conflict intensified.^[15]^[2] Following the armistice in November 1918, Callaghan was released from sea duty aboard USS New Orleans and assigned to the Bureau of Navigation at the Navy Department in Washington, D.C., from late 1918 to October 1920, where he handled personnel assignments and administrative matters during the postwar transition. It was during this shore assignment in 1919 that he first encountered Franklin D. Roosevelt, then Assistant Secretary of the Navy, a meeting that would later influence his career.^[16]^[17]

Interwar assignments and promotions

Callaghan's pre-World War I sea duty included service as a passed midshipman on USS California (BB-14) from 1911 to 1913, participating in interventions in Nicaragua, including the capture of Coyotepe Hill in 1912. He transferred to USS Truxtun (Destroyer No. 14) on 30 June 1913 and assumed command on 22 March 1916 as a lieutenant junior grade.^[4] In October 1920, he joined the battleship USS Idaho (BB-42 as assistant fire control officer, a role he held until 1923, where he contributed to gunnery training and fire control systems amid the Navy's post-war reorganization.^[4]^[16] Callaghan's promotion to lieutenant commander on 31 December 1921 reflected his growing expertise in technical and operational roles. From 1923 to spring 1925, he worked with the Board of Inspection and Survey's Pacific Coast Section in San Francisco, evaluating naval vessels and facilities for readiness and efficiency. He then served as first lieutenant aboard the battleship USS Colorado (BB-45) from spring 1925 to April 1926, overseeing deck operations and junior officer training. From April 1926 to August 1928, Callaghan acted as engineer officer on the battleship USS Mississippi (BB-41), managing propulsion and mechanical systems during fleet exercises in the Pacific.^[4]^[16] Resuming inspection duties, he returned to the Board of Inspection and Survey's Pacific Coast Section from August 1928 to June 1930, focusing on logistical assessments and ship evaluations. In June 1930, he advanced to gunnery positions within the Battle Fleet, serving successively as aide and gunnery officer for Battleship Divisions, aide and force gunnery officer for Battle Force, and fleet training officer for the U.S. Fleet from August 1932 to June 1933; these roles emphasized ordnance proficiency and coordinated fleet maneuvers. His promotion to commander on 4 June 1931 underscored his contributions to naval gunnery standardization.^[4] From June 1933 to February 1936, Callaghan served as executive officer of the Naval Reserve Officer Training Corps (ROTC) unit at the University of California, Berkeley, where he mentored midshipmen and administered training programs to bolster the Navy's officer reserves. He then became executive officer of the heavy cruiser USS Portland (CA-33) from February 1936 to June 1937, assisting in cruiser operations and crew discipline during peacetime patrols. From June 1937 to July 1938, he acted as operations officer on the staff of the Commander, Cruisers, Scouting Force, coordinating scouting missions and tactical planning for cruiser squadrons.^[4] In July 1938, Callaghan was appointed naval aide to President Franklin D. Roosevelt, a position he held until May 1941, managing White House naval protocol, presidential travel on naval vessels, and providing policy advice on maritime affairs; this role strengthened personal ties originating from their 1919 meeting when Roosevelt served as Assistant Secretary of the Navy. His promotion to captain on 1 October 1938 capped a decade of steady advancement through administrative, technical, and leadership assignments that prepared him for higher command.^[4]^[17]

World War II service

Early war commands and staff duties

In May 1941, Callaghan assumed command of the heavy cruiser USS San Francisco (CA-38), overseeing its operational readiness as the United States anticipated entry into World War II. Under his leadership, the ship conducted shakedown and training cruises along the West Coast, ensuring crew proficiency and vessel efficiency in preparation for potential combat deployment.^[18] Following the Japanese attack on Pearl Harbor on December 7, 1941, San Francisco participated in early Pacific patrols, escorting convoys and providing screening support for Allied forces in the South Pacific, including operations to Samoa, Fiji, and New Caledonia in early 1942. These missions focused on protecting vital supply lines and reinforcing defensive positions amid the rapid Japanese expansion.^[18] Callaghan's tenure aboard San Francisco ended in May 1942, shortly after his promotion to rear admiral in April 1942, which recognized his extensive service and administrative expertise gained from prior roles, including as naval aide to President Franklin D. Roosevelt.^[15] On June 19, 1942, he was appointed chief of staff to Vice Admiral Robert L. Ghormley, Commander of the South Pacific Area (ComSoPac) and South Pacific Force, based in Auckland, New Zealand. In this capacity, Callaghan played a key role in coordinating the logistical buildup for the impending Solomon Islands campaign, managing the allocation of shipping, supplies, and reinforcements to establish forward bases and support amphibious operations against Japanese-held territories. Callaghan retained his staff position through the transition when Vice Admiral William F. Halsey Jr. relieved Ghormley as ComSoPac on October 18, 1942; Halsey promptly reassigned him to oversee surface forces, specifically coordinating cruiser and destroyer operations within Task Force 67. This role involved integrating disparate units for rapid response to threats, emphasizing interoperability among screening elements to protect carrier groups and invasion fleets. By late October 1942, Callaghan formed and took command of Cruiser Division 3 (CruDiv 3), focusing on tactical drills and formations tailored to amphibious support, including anti-submarine screening and gunfire preparation for Marine landings in the Solomons. His prior staff experience facilitated smooth transitions, enabling efficient organization of these assets amid the theater's escalating demands.

Guadalcanal campaign preparations

On October 30, 1942, shortly after Vice Admiral William F. Halsey Jr. relieved Ghormley as Commander, South Pacific Forces, Callaghan assumed command of Task Group 67.4, with the heavy cruiser USS San Francisco serving as his flagship, accompanied by the heavy cruiser USS Portland and an initial screen of four destroyers, later supported by additional screening and scout units.^[15] Drawing from his recent staff duties under Halsey, Callaghan focused on organizing this force for defensive operations to protect U.S. positions on Guadalcanal. He coordinated closely with Rear Admiral Norman Scott, incorporating lessons from the August 1942 Savo Island defeat—where Japanese night-fighting superiority had led to heavy Allied losses— to refine tactics emphasizing aggressive close-range engagements and improved searchlight discipline.^[19] Scott's recent success at the Battle of Cape Esperance in October further informed these adaptations, promoting column formations that allowed destroyers to launch torpedoes ahead of cruiser gunfire.^[20] Preparations centered on interdicting a anticipated Japanese reinforcement and bombardment effort, with intelligence from Allied codebreakers revealing the approach of battleships such as Hiei and Kirishima to target U.S. airfields on Guadalcanal and Tulagi.^[21] Callaghan's group was tasked with positioning to counter this threat, including potential U.S. counter-bombardments of Japanese-held positions if opportunities arose during the engagement. Logistical hurdles were significant: radar equipment was scarce, with only a few ships like USS Helena equipped with functional SG radar sets, forcing reliance on optical and acoustic methods.^[20] Crews underwent rigorous training for close-quarters night combat, practicing rapid maneuvers and communication protocols to mitigate confusion in low-visibility conditions.^[19] Integration with Marine ground forces under Major General Alexander Vandegrift was prioritized through joint planning sessions, ensuring naval gunfire support aligned with defensive needs at Henderson Field and surrounding positions.^[22]

Naval Battle of Guadalcanal

The Naval Battle of Guadalcanal, also known as the First Naval Battle of Guadalcanal, was a critical night surface engagement fought on November 12–13, 1942, off the coast of Guadalcanal in the Solomon Islands. It arose as a direct response to a Japanese effort to bombard and neutralize Henderson Field, the key U.S. Marine airfield on the island that threatened Japanese supply lines. Vice Admiral Hiroaki Abe commanded a powerful bombardment force centered on the battleship Hiei, supported by the battleship Kirishima, a light cruiser, and 11 destroyers, with the objective of shelling the airfield to support a major troop reinforcement convoy. To counter this threat, Rear Admiral Daniel J. Callaghan, aboard his flagship USS San Francisco, led Task Group 67.4—comprising two heavy cruisers (San Francisco and Portland), three light cruisers (Helena, Juneau, and Atlanta), and eight destroyers—in an interception mission south of Savo Island. This force, though outgunned by the Japanese battleships' heavy armament, positioned itself to block the bombardment and protect the airfield's operations.^[3]^[23] The battle commenced around 1:30 a.m. on November 13 amid pitch-black conditions exacerbated by overcast skies, heavy rain, and the limited effectiveness of early-war radar systems, which forced engagements at point-blank ranges often under 2,000 yards. Callaghan's group initially formed a single column with destroyers screening the cruisers, but navigational confusion and communication breakdowns led to a disorganized crossing of the Japanese "T" formation as Abe's van steamed toward the Slot. At approximately 1:45 a.m., spotting the looming silhouette of Hiei, Callaghan issued the famous order over the radio: "We want the big ones," directing concentrated fire from his cruisers and destroyers onto the Japanese battleship to disrupt the bombardment force. The ensuing melee devolved into a chaotic, close-quarters gun and torpedo duel lasting about 40 minutes, with ships firing at ranges as short as 1,000 yards; U.S. forces illuminated targets sporadically with star shells, but Japanese searchlights and rapid salvos from Hiei and accompanying destroyers created pandemonium. Key U.S. actions included the Helena's radar-directed salvos that hammered Hiei's superstructure, while Japanese counterfire devastated the American column.^[3]^[23]^[16] Amid the fury, several decisive outcomes emerged. The Japanese destroyer Akatsuki was sunk early by gunfire from San Francisco and Portland, and Yudachi was crippled and later finished off by U.S. surface and air attacks. Hiei, the primary target, absorbed over 80 hits, including multiple 8-inch shells that wrecked its bridge, fire-control systems, and engines, forcing Abe to withdraw the bombardment force without reaching Henderson Field. However, U.S. losses were severe: the light cruiser Atlanta was sunk by Japanese gunfire and torpedoes, four destroyers (Barton, Cushing, Laffey, and Monssen) went down in the close action, and San Francisco suffered catastrophic bridge damage from Hiei's 14-inch shells, rendering it temporarily combat-ineffective. The heavy cruiser Juneau was torpedoed during the battle but sank later from a submarine attack. Despite the disorder, Callaghan's aggressive interception prevented the airfield's destruction, buying crucial time for U.S. air operations.^[3]^[23] Strategically, the battle proved a turning point in the Guadalcanal campaign, as Hiei was abandoned and sunk by U.S. aircraft the following day, while the Japanese reinforcement convoy under Rear Admiral Aritomo Goto was disrupted, reducing planned troop landings from 10,000 to about 2,000 men. This shifted momentum toward Allied forces in the Pacific theater. Callaghan's leadership was lauded for its boldness in challenging superior enemy firepower with a lighter force, demonstrating tactical ingenuity in coordinating a desperate defense. Nonetheless, naval analysts have critiqued aspects of the engagement, including the column formation's vulnerability to crossing fire, inconsistent use of illumination, and reliance on voice radio over radar for targeting, which contributed to friendly-fire incidents and command disarray.^[3]^[23]

Death, honors, and legacy

Circumstances of death

During the intense close-range exchanges of the Naval Battle of Guadalcanal on November 13, 1942, Rear Admiral Daniel J. Callaghan was fatally wounded at approximately 2:00 a.m. while directing operations from the bridge of his flagship, the heavy cruiser USS San Francisco. A direct hit from a 14-inch shell fired by the Japanese battleship Hiei exploded on the navigation bridge, killing Callaghan instantly from shrapnel wounds along with most of his staff officers.^[18]^[21] At the time of his death, Callaghan was 52 years old.^[14] In the chaos following the devastating shell hit, Captain Cassin Young, the commanding officer of USS San Francisco, briefly assumed temporary control of the ship before he too was killed by the same barrage.^[18] Command then passed to Lieutenant Commander Bruce McCandless, who rallied the survivors to continue fighting despite the loss of steering, communications, and numerous key personnel; the ship endured 45 hits in total, igniting 22 fires and causing 77 deaths aboard.^[18]^[24] Callaghan's body was never recovered amid the wreckage and was thus buried at sea in accordance with Navy tradition, with subsequent memorial services honoring him.^[21] In the immediate aftermath, the battered Task Group 67.4 withdrew eastward along Guadalcanal's north coast and through Sealark Channel, eventually reaching Espiritu Santo for repairs; USS San Francisco's bridge was left in ruins, but the cruiser remained afloat and operational after damage control efforts extinguished all fires.^[18]^[25]

Medal of Honor and awards

Rear Admiral Daniel J. Callaghan was posthumously awarded the Medal of Honor for his leadership during the Naval Battle of Guadalcanal on November 12–13, 1942, where he commanded a task force against a superior Japanese invasion fleet off Savo Island.^[1] The citation, issued by President Franklin D. Roosevelt, commended his "extraordinary heroism and conspicuous intrepidity above and beyond the call of duty," noting that despite being outbalanced in strength and numbers, Callaghan employed "ingenious tactical skill and superb coordination" to decisively contribute to the rout of the enemy fleet and the frustration of a major Japanese offensive.^[4] While directing operations at close range amid intense enemy fire, he was mortally wounded on the bridge of his flagship, USS San Francisco, exemplifying "courageous initiative, inspiring leadership, and judicious foresight" in line with the highest traditions of the U.S. Naval Service.^[1] The Medal of Honor was approved and presented on December 9, 1942, at the White House, where Roosevelt personally handed it to Callaghan's son, Lieutenant (junior grade Daniel J. Callaghan Jr., in a private ceremony.^[4] This award recognized Callaghan's pivotal role in the night engagement, one of the most chaotic and heroic surface actions of World War II, which underscored the valor required in early Pacific theater naval warfare against overwhelming odds.^[26] Callaghan shared this posthumous honor with Rear Admiral Norman Scott, who had been killed in an earlier Guadalcanal battle on October 11–12, 1942; both were among approximately 20 Medal of Honor recipients from the broader Guadalcanal campaign, highlighting the intense sacrifices made to secure Allied control of the island.^[4] In addition to the Medal of Honor, Callaghan received the Navy Distinguished Service Medal for his overall service in World War II, acknowledging his strategic contributions beyond the Guadalcanal action.^[26] He was also posthumously awarded the Purple Heart for the wounds sustained in battle that led to his death.^[4] His service record further included the Asiatic-Pacific Campaign Medal with four stars for key engagements, the World War II Victory Medal, the American Campaign Medal, the American Defense Service Medal with Fleet Clasp, the World War I Victory Medal with Escort Clasp, the Nicaraguan Campaign Medal, and the Mexican Service Medal, reflecting his extensive career from interwar deployments to the Pacific War.^[27] Callaghan also earned foreign decorations, such as the Order of Danneborg (Commander, 2nd Class) from Denmark and the Royal Order of St. Olav (Commander) from Norway, for diplomatic and naval cooperation efforts.^[4]

Posthumous recognition and commemorations

Two United States Navy ships have been named in honor of Rear Admiral Daniel J. Callaghan. The first, USS Callaghan (DD-792), a Fletcher-class destroyer, was launched on August 1, 1943, and commissioned on November 27, 1943; it served in the Pacific Theater during World War II until it was sunk by a Japanese kamikaze attack on July 28, 1945, off Okinawa, marking the last U.S. Navy surface ship lost to enemy action in the war.^[28] The second, USS Callaghan (DDG-994), a Spruance-class guided missile destroyer, was commissioned in 1981 and served until its decommissioning in 1998.^[15] Several memorials commemorate Callaghan's service and sacrifice. Callaghan Hall, a barracks facility at Naval Base San Diego, California, bears his name in recognition of his contributions to the Navy.^[14] Plaques honoring him are installed at St. Ignatius College Preparatory in San Francisco, his alma mater, and at the United States Naval Academy in Annapolis, Maryland.^[14] Additionally, a historical marker in San Francisco dedicates a memorial to Callaghan and the officers and men of USS San Francisco who perished during the Naval Battle of Guadalcanal, and he is listed on the Wall of the Missing at the Manila American Cemetery and Memorial in the Philippines.^[29]^[16] Callaghan's family continued a legacy of naval service. His son, Daniel Judson Callaghan Jr., served as a lieutenant junior grade in the U.S. Navy during World War II and later advanced to lieutenant commander; he received his father's Medal of Honor from President Franklin D. Roosevelt on December 9, 1942.^[12]^[10] His younger brother, William M. Callaghan, rose to the rank of vice admiral, commanding the battleship USS Missouri (BB-63) during its commissioning and service in World War II.^[14]^[30] Postwar historical assessments have lauded Callaghan's leadership at Guadalcanal for its strategic significance in preventing a Japanese bombardment of Henderson Field, thereby helping to secure Allied control of the island despite heavy losses and tactical challenges in the night engagement. In his seminal work History of United States Naval Operations in World War II, Volume V: The Struggle for Guadalcanal, Samuel Eliot Morison highlighted the action's pivotal role in the campaign's outcome, balancing critiques of the force's formation and communication issues against its ultimate success in disrupting Japanese operations.^[31] As of 2025, Callaghan's legacy endures through annual Medal of Honor commemorations and exhibits on World War II Pacific Theater operations, such as the U.S. Department of Defense's Medal of Honor Monday series, which featured his story in November 2023 to mark the battle's anniversary; no significant new tributes or dedications have emerged since the 2010s.^[32]^[14]

References

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Charles W. Callaghan, father of the late Daniel J. Callaghan, who was killed aboard the flagship San Francisco during the Solomons campaign in 1942, died at ...
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Charles William Callaghan, since deceased at the ripe age of 81, for ... Both his father, Charles William, and his mother. Rose Wheeler, were of pio ...
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May 22, 2020 · Vice Admiral Callaghan's brother, the late Rear Admiral Daniel J. Callaghan, USN, was killed in action on board USS San Francisco during the ...
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She married Rear Admiral Daniel Judson Callaghan on 23 July 1914. They ... Daniel Judson Callaghan Jr. 1915–2006. Sources (9). Mary Callaghan, "United ...
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Espiritu Santo Group, Section One, Rear Admiral Daniel J. Callaghan: Two heavy cruisers, Rear Admiral Mahlon S. Tisdale. Pensacola (F), Capt. Frank L. Lowe ...
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Jun 25, 2024 · The only two U.S. Navy flag officers (Rear Admiral Daniel J. Callaghan, Rear Admiral Norman Scott) to be killed in a World War II surface ...
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In November 1942, successful U.S. cruiser, aircraft, and battleship actions represented a turning point in the Pacific.
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USS CALLAGHAN ... BUREAU OF NAVIGATION * USS IDAHO BB-42. BUREAU OF INSPECTION & SURVEY * USS COLORADO BB-45. USS MISSISSIPPI BB-41 * COMMANDER, BATTLESHIPS.Missing: J. 1919 1920 1923
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"I know. But we have to do it," responded Rear Admiral Daniel Callaghan, the commander of a force of five cruisers and eight destroyers (Task Group 67.4) ...
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