Item number: M418

Year: AD 1989-2008 presumed

Size: 40.3 x 40.3 x 3.2 mm

Weight: 33.0 g

Provenance: Texas Old Guard Coin Auctions 2025

This is a challenge coin of D Company, 1st Battalion, 9th Infantry Regiment of the United States Army.

The obverse bears at its centre the distinctive unit insignia (DUI) of the 9th Infantry Regiment. The insignia consists of a hornless five-clawed dragon, its limbs gripping the four corners of a circular disc and its body coiled around the circumference. The numeral ‘9’ in the centre denotes the 9th Infantry Regiment. Beneath the ‘9’ is the inscription ‘KEEP ON THE FIRE’, the regiment’s motto, literally meaning ‘maintain the fire’. Around the dragon appears the circumferential legend ‘PANAMA ✰ MEUSE-ARGONNE ✰ NORMANDY ✰ PUSAN ✰ SAN JUAN ✰ PHILIPPINE ✰ TIEN-TSIN ✰’, representing campaigns in which the regiment—possibly specifically the 1st Battalion—took part. Arranged chronologically, these refer to San Juan (the Battle of San Juan Hill, AD 1898), the Philippines (the Philippine–American War, AD 1899–1902), Tien-Tsin (the Battle of Tientsin, AD 1900), Meuse–Argonne (the Meuse–Argonne Offensive, AD 1918), Normandy (the Normandy Campaign, AD 1944), Pusan (the Pusan Perimeter, AD 1950), and Panama (the Invasion of Panama, AD 1989).

The reverse presents an alternative rendering of the regiment’s insignia. The dragon exhibits morphological features intermediate between Eastern and Western types: a right-angled snout, leonine mane, catfish-like whiskers, bat-like wings, five claws, a serpentine body, a piscine tail, and an upright, bipedal stance displaying its right profile. The left foreclaw grasps a sphere bearing the numeral ‘9’. Beneath the dragon is the designation ‘D COMPANY’. Above appears the inscription ‘DELTA DRAGONS’, which, under the NATO phonetic alphabet, indicates ‘Delta (Company) Dragons’. The lowest arc reads ‘1st BATTALION 9th INFANTRY’, that is, ‘1st Battalion, 9th Infantry Regiment’. Both obverse and reverse are encircled by a border, and the coin has a flat, straight edge.

The challenge coin originates from a distinctive cultural practice within the United States armed forces. According to tradition, during the First World War a lieutenant in the United States Army Air Service had small medallions made for his section, comparable in size to coins. During a later mission, the lieutenant was captured by German forces. He eventually escaped and returned to Allied lines, but, having lost his identification papers, he faced the imminent danger of execution by French troops. At this critical moment he produced the medallion he habitually carried; it served to establish his identity and spared his life. Thereafter, challenge coins circulated informally within the American military, although the earliest verifiable official records date only from the Korean War. Today, challenge coins are no longer confined to the U.S. military; private companies and civic organisations also commission them. With advances in manufacturing, their forms are no longer limited to traditional circular shapes but may adopt irregular geometries.

The lineage of the 9th Infantry Regiment begins in AD 1799, when it was constituted as one of the United States Army’s first authorised regular units in anticipation of a possible conflict with France; it was disbanded the following year upon the conclusion of a treaty. A regiment of the same designation was raised again in AD 1812 for the Anglo-American War and was dissolved after the conflict. Another regiment bearing the number was organised in AD 1847 for the Mexican–American War and was disbanded the following year.

In AD 1855, to support the annexation of Indigenous reservations in Washington Territory (modern Washington State), the 9th Infantry Regiment was established, and its lineage has continued unbroken to the present day. During the American Civil War the regiment itself was stationed in San Francisco and other locations, primarily performing martial governance and garrison duties; however, owing to its later consolidation with the 27th Infantry Regiment (originating from the 2nd Battalion, 18th Infantry Regiment), it inherited the battle honours of that unit, which had fought in several major engagements. After the war, the regiment continued to participate in a series of Indian Wars in the American West until the close of the nineteenth century.

In AD 1898, with the outbreak of the Spanish–American War, the 9th Infantry Regiment was assigned to the Cuban theatre and took part in the Siege of Santiago. In the Battle of San Juan Hill, conducted to seize the heights overlooking Santiago, the 9th Infantry Regiment—subordinate to the 3rd Brigade, 1st Infantry Division—advanced across open ground and forded the river to attack the left flank of the Spanish defences. The regiment’s assembly area, which sustained severe casualties, became known as the ‘Bloody Ford’ or ‘Hell’s Pocket’. Ultimately the regiment, together with supporting units, captured San Juan Hill and adjacent heights, enabling the fall of Santiago. In this battle Lieutenant Ira C. Welborn of the regiment received the Medal of Honor for rescuing wounded soldiers under intense fire.

In AD 1899, before the treaty transferring the Philippines from Spain to the United States took effect, the First Philippine Republic was proclaimed; the United States refused recognition, and the Battle of Manila ensued, resulting in the American occupation of the city. The 9th Infantry Regiment deployed in support and participated in the Battle of Malolos, in which the Filipino republican forces withdrew. The regiment subsequently took part in the fighting at San Isidro and in the Battle of Zapote River. The latter, the second-largest engagement of the Philippine–American War, began when a reconnaissance by the 21st Infantry Regiment was ambushed. After the 21st withdrew, the 9th Infantry Regiment assumed the line and ultimately defeated the Filipino forces, which thereafter increasingly resorted to guerrilla tactics. Later in the same year the regiment captured Tarlac.

In AD 1900, as the Boxer Movement spread, conditions in Zhili Province deteriorated. After communications with the Beijing Legation Quarter were severed, the foreign powers launched the China Relief Expedition to reinforce their nationals. The 9th Infantry Regiment departed the Philippines, landed at Taku, and advanced along the railway with Russian, Japanese, British, French, German, and Austro-Hungarian forces. Although the Empress Dowager’s attitude towards the Boxers had fluctuated, she now endorsed them; large numbers of Boxer fighters converged on Tianjin, and the Qing commander Nie Shicheng—despite his personal distaste for the movement—joined in attacking the foreign concessions and blocking the advance of the coalition forces. He and the Boxer detachments briefly repelled the relief forces in what the Qing court celebrated as the ‘Langfang Victory’. Days later, the international force reached Tianjin and began assaulting the city.

In the assault on Tianjin, the 9th Infantry Regiment, together with British, Japanese, and French units, attacked the South Gate. The approaches to the walls were broad and exposed; Qing troops and Boxer fighters were equipped with rifles and modern firearms capable of inflicting long-range casualties, while the Americans, still wearing dark blue uniforms, advanced conspicuously across open ground. Colonel Emerson H. Liscum, the regimental commander, was struck by a sniper and killed while steadying the colours and urging his men forward. His final exhortation, ‘Keep up the fire!’, subsequently became the regiment’s motto. The regiment sustained a casualty rate of approximately ten per cent, and three soldiers received the Medal of Honor. The South Gate was ultimately breached when Japanese forces demolished it.

After the battle, the 9th Infantry Regiment prevented the looting by coalition forces or local groups of the silver held in the Tianjin Mint. In gratitude, the Qing authorities, by order of Li Hongzhang, presented the regiment with silver ingots that had melted during a fire. The officers resolved to have the silver fashioned into a ceremonial bowl resembling the punch bowls popular at the time. The ingots were therefore sent to the Arthur & Bond Company in Yokohama, Japan, where they were crafted into the celebrated ‘Liscum Bowl’. The bowl was long kept in the regiment’s trophy room and is now displayed at Fort Carson, Colorado.

In the month following the Tianjin engagement, the coalition advanced on Beijing. The forced march subsequently gave rise to the ‘Manchu Mile’, an approximately eighty-five-mile rapid-march tradition in regimental training. In the Battle of Yangcun, the 9th Infantry Regiment supported the right wing of the assault. During the Battle of Beijing, American troops entered the city via scaling ladders near the Dongbianmen Gate and reached the Legation Quarter that afternoon. The regiment’s distinguished performance earned it the sobriquet ‘Manchus’, which it retains to this day.

After operations in China, most of the regiment promptly returned to the Philippines to continue the suppression of resistance. One of the most notorious incidents was the ‘Balangiga Massacre’ on Samar in AD 1901, in which C Company of the 9th Infantry Regiment was virtually annihilated in an ambush; in the aftermath, American forces conducted extensive punitive operations in the area.

After the United States entered the First World War in AD 1917, the 9th Infantry Regiment was assigned to the 2nd Infantry Division, known as the ‘Indianhead Division’, under the American Expeditionary Forces (AEF) I Corps, and was progressively deployed to France. Upon learning of the arrival of American troops, the German Army launched the Spring Offensive in March AD 1918, seeking to seize the strategic ridge of Le Chemin des Dames before American reinforcements could be fully brought to bear. Although the Franco-British line, supported by the U.S. 2nd and 3rd Divisions, was pierced along the Aisne in June, the German advance was finally halted along the Marne. The Second Battle of the Aisne constituted the first large-scale corps-level engagement for American forces in the war. In July, during the Second Battle of the Marne, the Germans attempted to cross the Marne near Château-Thierry, but were checked by the AEF units responsible for the Île-de-France sector. Marshal Foch then led French, British, American, and Italian forces in a major counter-offensive, eliminating the German salient. The Germans were driven back to their starting lines of the Spring Offensive and thereafter lost the initiative.

In September General John J. Pershing launched the Saint-Mihiel Offensive, enveloping the Saint-Mihiel salient; I Corps on the southern flank bore the main weight of the attack. After this victory, and at Foch’s request, the Americans abandoned plans to advance on Metz in favour of an offensive towards Sedan, initiating the Meuse–Argonne Offensive. This operation was the Allied grand assault on the German lines and remains the largest and costliest single engagement in American military history. The AEF mounted a series of high-casualty frontal attacks. As part of the 2nd Division, the 9th Infantry Regiment advanced through the Argonne Forest and the Meuse River valley, confronting deeply-prepared German trenches, machine-gun nests, and artillery positions. The regiment’s conduct under intense fire, and its role in supporting the breakthroughs, earned the entire regiment the French Croix de Guerre Fourragère.

In October AD 1943, the 9th Infantry Regiment redeployed to Europe with the 2nd Infantry Division in preparation for the Normandy landings. On 7 June it came ashore at Omaha Beach, advancing inland through the coastal slopes and valleys to secure the beachhead and relieve the assault forces that had landed the previous day, all while enduring remaining German fire and counter-attacks. The regiment subsequently took part in the capture of Hill 192, a dominant height overlooking the main approaches to Saint-Lô and long defended with determination by German forces. Fighting through dense bocage, the regiment cleared German positions section by section and ultimately seized Hill 192, opening the direct route to Saint-Lô and the breakthrough later executed in Operation Cobra.

It then participated in the siege of the fortress city of Brest. In December AD 1944, during the Battle of the Bulge, the 9th Infantry held its ground for eighteen hours of fierce combat in the Elsenborn Ridge sector, halting German attacks and playing a crucial role in stabilising the American defensive line before the subsequent counter-offensive. In the spring of AD 1945, the regiment joined the assault on the Siegfried Line, crossed the Rhine, and advanced rapidly across Saxony into Czechoslovakia. For its wartime service, the 9th Infantry Regiment received multiple Presidential Unit Citations and unit commendations from Belgium and Luxembourg.

In June AD 1950, following the securing of Chinese and Soviet support, the Korean People’s Army crossed the 38th Parallel and attacked the Republic of Korea, initiating the Korean War. The South Korean forces retreated in disorder, and early United Nations efforts to halt the advance failed. The UN Command, led by the United States, resolved to reinforce the peninsula and established a defensive perimeter around Pusan centred on Daegu, using the Naktong River as its main line of resistance—thereby forming the Pusan Perimeter. The 9th Infantry Regiment deployed with the 2nd Infantry Division to reinforce this line. It was positioned along the Naktong sector, with Miryang—the key logistical hub—directly to its rear. Owing to the length of the defensive line, the regiment was temporarily split in two during a North Korean night assault: the 1st Battalion was almost annihilated, and the 2nd and 3rd Battalions suffered losses approaching half their strength, with survivors withdrawing towards the town of Yongsan-myeon. There, the regiment fought alongside the newly arrived 1st Provisional Marine Brigade. Although the southern outskirts of the town were briefly penetrated, subsequent counter-attacks enabled US forces to destroy most of the North Korean 4th and 9th Divisions. For its actions along the Naktong River line, the 9th Infantry Regiment was awarded the Republic of Korea Presidential Unit Citation. It continued to take part in numerous engagements throughout the Korean War, and six of its soldiers received the Medal of Honor for acts of exceptional gallantry.

During the Vietnam War, the 4th Battalion of the 9th Infantry Regiment, assigned to the 25th Infantry Division (‘Tropic Lightning’), operated from AD 1966 in north-western South Vietnam. Most operations were conducted at company or platoon level, involving patrols, ambushes, and search-and-destroy missions, with several larger engagements. In March AD 1968 C Company suffered heavy casualties when it was ambushed by a substantial Communist force.

In May AD 1989 the regimental headquarters and the 1st and 2nd Battalions deployed to Panama under Operation Nimrod Dancer, a show-of-force mission responding to the deteriorating political situation. Stationed at Fort Sherman, the units conducted route reconnaissance and security patrols to protect U.S. personnel and dependants. In December, when Operation Just Cause commenced, the 9th Infantry Regiment—constituted as a brigade-sized task force of the 7th Infantry Division—returned to Panama, conducting urban combat, building searches, and weapons cache seizures. One notable incident involved the raid of a residence believed to contain an arms cache; it was later identified as the Nicaraguan Ambassador’s residence, resulting in diplomatic controversy. After organised resistance by the Panamanian Defence Forces was eliminated, the regiment assumed responsibility for the area previously held by the 82nd Airborne Division and continued clearing operations in Panama City and surrounding districts until its return to the United States in AD 1990.

Following the Panama operation, the 9th Infantry Regiment undertook security and humanitarian duties in refugee camps for Cubans and Haitians at Guantánamo Bay. After mid-1990s force restructuring, the regimental headquarters and the 1st and 2nd Battalions returned to the 2nd Infantry Division and were stationed in Korea.

In the twenty-first century, the 1st and 4th Battalions of the 9th Infantry Regiment served in Iraq and Afghanistan, receiving multiple Meritorious Unit Commendations. From AD 2008 onwards the regiment underwent further reorganisation. By AD 2018–2025 the 4th Battalion remained the sole active ‘Manchu’ battalion, assigned to the 1st Stryker Brigade Combat Team, 4th Infantry Division, at Fort Carson, Colorado.

物件編號: M418

年代: 推測為公元 1989-2008 年

尺寸: 40.3 x 40.3 x 3.2 mm

重量: 33.0 g

來源: 德州老衛隊錢幣拍賣 2025

這是一枚美國陸軍第九步兵團一營D連的挑戰幣。

挑戰幣的正面中央為第九步兵團的「特色單位徽章」(distinctive unit insignia, or DUI)。該徽章由一條四肢抓握圓盤四角，並盤捲於圓盤周圍的無角五爪龍所組成，圓盤中央數字「9」，代表第九步兵團，「9」下方環列銘文｢KEEP ON THE FIRE｣，即該團的格言「繼續戰鬥(或直譯保持火力)」。徽記周圍環列「PANAMA✰MEUSE-ARGONNE✰NORMANDY✰PUSAN✰SANJUAN✰PHILIPPINE✰TIEN-TSIN✰」為第九步兵團(可能是一營)參與的重要戰役。按時序重新排列為「聖胡安(公元1898年聖胡安山戰役)、菲律賓(公元1899-1902年美菲戰爭)、天津(公元1900年天津戰役)、默茲–阿戈訥(公元1918年默茲–阿戈訥戰役)、諾曼第(公元1944年諾曼第戰役)、釜山(公元1950年釜山環形防禦圈戰役)、巴拿馬(公元1989年巴拿馬入侵行動 )」。

背面為第九步兵團特色單位徽章的另一種詮釋，龍的型態介於東方龍與西方龍之間，直角、獅鬃、鯰鬚、蝠翼、五爪、蛇身、魚尾，人立而起，展露右側面，左爪抓握刻有「9」的球體。龍像下方為「D COMPANY」，即「D連」。上方環列「DELTA DRAGONS」，應依北約音標字母(NATO phonetic alphabet)譯為「德爾塔(連)之龍」；最下方環列「1^st BATTALION 9^th INFANTRY」，即「第九步兵團第一營」。正背面幣緣均有環，幣稜平直。

挑戰幣是源自美國軍隊的一項獨特文化，據說第一次世界大戰之際，派往歐洲參戰的美國陸軍航空隊的一名中尉，替小隊設計一枚和硬幣差不多大小的徽章作為標示。後續中尉在一趟任務中遭德軍俘虜，雖然成功逃回盟友的戰線，卻因遺失辨識文件面臨被法軍槍決的命運。千鈞一髮之際，中尉想起他隨身攜帶的徽章並交給法軍，以此辨識出身分讓他逃過槍決的厄運。從此挑戰幣就在美軍內部流傳，即便直到韓戰才有第一筆較確實的官方紀錄。時至今日，挑戰幣不再侷限於美國軍方，甚至民間的企業或社團也能打造。隨著工業技術的演進，挑戰幣的外觀不再只是傳統的圓形，也能做成不規則的幾何圖案。

第九步兵團的編制，始於公元1799年美國陸軍首次獲准組成的常備部隊之一，為可能的美法衝突而組建，於次年因和約而解散。公元1812年，因美英戰爭而再次有同名單位組建，戰後解散。公元1947年，因美墨戰爭而再次組建，次年解散。

公元1855年，為支援對華盛頓領地(今華盛頓州)印地安保留區的併吞，第九步兵團建立，其編制並綿延至今。在南北戰爭期間，第九步兵團本身駐守舊金山等地，主要擔任軍政管制與警備勤務；但由於後來與第 27 步兵團(源自第 18 步兵團第 2 營)合併，因而承繼了該單位在 多場會戰的戰功。戰後，第九團持續在美國西部參與一系列印地安戰爭，直到 19 世紀末印地安戰爭結束。

公元1898年，美西戰爭爆發，第九步兵團被編入古巴戰區，參與聖地牙哥會戰。在聖胡安山戰役中，為奪取聖地牙哥城旁聖胡安高地的陣地，隸屬美軍第一步兵師第三旅的第九步兵團，沿著開闊地形渡河向西班牙軍防禦工事的左翼發起突擊，集結點因傷亡慘重而被稱為「地獄口袋」或「血腥渡口」。最終第九步兵團與友軍一同攻克聖胡安山與附近高地，促成聖地牙哥的陷落。在這場激戰中，該團軍官艾拉·C·韋爾伯(Ira C. Welborn)因在猛烈砲火下救援傷兵而獲得榮譽勳章(Medal of Honor)。

公元1899年，在西班牙將菲律賓售予美國的條約生效之前，菲律賓第一共和國宣布成立，而美國拒絕承認，同年馬尼拉戰役爆發，馬尼拉被美軍攻佔。第九步兵團前往支援，參與攻擊菲律賓首府的馬洛洛斯戰役，最終菲律賓共和軍撤退。後又參與聖伊西德羅與薩波特河(Zapote River)戰役。薩波特河戰役為美菲戰爭中規模第二大之戰役，因第二十一步兵團的武裝偵察任務被伏擊而爆發，第二十一步兵團撤退後由第九步兵團接替戰線，最終菲律賓軍隊潰敗。此後菲律賓軍隊轉以游擊戰術為主。同年第九步兵團攻佔丹轆(Tarlac)。

公元1900年，由於義和團運動的蔓延，直隸局勢不斷惡化。於北京使館對外聯繫中斷後，各國發起「中國救援遠征」行動，增派援軍，嘗試營救使館人員及僑民。第九步兵團自菲律賓出發，於大沽登陸後，與俄、日、英、法、德奧聯軍一同沿鐵路進軍。慈禧太后雖對義和團態度多有反覆，但此刻轉為支持，於是大批拳民湧入天津，清軍武衛軍將領，直隸提督聶士成雖反感義和團，仍隨之一同攻擊天津租界，並阻擊往天津進軍的聯軍。聶士成與義和團並一度擊退聯軍，清廷譽為「廊坊大捷」。數日後，各國聯軍抵達天津城外，並開始攻城。

在天津攻城戰中，第九步兵團與英、日、法軍一同進攻天津南門。然而城牆前是大片的開闊環境，清軍與義和團武裝配備有來復槍與西式火器，足以遠距離攻擊，而美軍仍身著深藍色制服，在開闊地形上前進，成為極醒目的目標。團長埃默森·H·利斯庫姆(Emerson H. Liscum)上校在鼓舞部隊、扶正團旗時遭狙擊身亡，其遺言「繼續戰鬥！(Keep up the fire!)」日後遂成為第九團的格言。本戰中第九團傷亡率達一成，有三名官兵獲頒榮譽勳章。最後日軍炸毀南門，聯軍攻佔天津。

戰後，第九步兵團阻止天津造幣廠的白銀遭到聯軍或地方勢力洗劫，清政府後奉李鴻章命，贈送了在火災中熔融的銀錠，以示感謝 。該團軍官開會決議鑄成獎盃，形式類似當時流行的、用來調酒的潘趣酒碗(punch bowl)。因此銀錠被送往日本橫濱的亞瑟邦德公司(Arthur & Bond Company)，鑄成著名的「利斯庫姆之碗(Liscum Bowl)」，日後長期收藏於該團的戰利品室，今於科羅拉多州卡森堡基地展出。

天津戰役結束後次月，聯軍繼續往北京挺進，此次急行於日後第九步兵團的訓練中留下「滿洲長征(Manchu Mile)」的傳統，即約85英里的長途急行軍訓練。途中爆發的楊村戰役，第九步兵團於戰線右翼策應。北京戰役中，美軍自東便門附近搭雲梯入城，當日下午便抵達使館區，由於出色的表現，使第九步兵團獲得「滿洲人(Manchus)」的外號，並沿用至今。

結束中國行動後，第九步兵團大部旋即調回菲律賓，繼續參與對菲律賓的鎮壓。其中最為人所知的事件之一，是公元1901年薩馬島的「巴蘭吉加大屠殺」：第九步兵團C連在當地遭到伏擊而幾乎全滅，來援美軍隨即於當地展開大規模報復行動。

公元1917年，美國參與第一次世界大戰後，第九步兵團編入別稱「印地安頭領師(Indianhead)」的第二步兵師，從屬於美國遠征軍第一軍，隨即陸續赴法參戰。得知美國遠征軍的到來，德軍於公元1918年3月發動春季攻勢，嘗試在美軍增援完成前，奪取要道「貴婦小徑(Le Chemin des Dames)」，美國第二、第三步兵師協防的英法聯軍埃納河防線於6月被突破，最終於馬恩河畔成功阻滯德軍攻勢。第二次埃納河戰役是美軍於第一次世界大戰中的首次大規模軍團作戰。7月的第二次馬恩河戰役中，德軍企圖跨越蒂耶里堡地區的馬恩河，被負責法蘭西島防區的第一軍所阻滯。最終法國將領福煦率領法、英、美、義聯軍反攻，第一軍消滅德國突出部。德軍被迫回至春季攻勢一開始的戰線，此後愈趨被動。9月，美軍將領潘興(John J. Pershing)發起聖米耶爾攻勢，圍攻聖米耶爾突出部，第一軍位於南側的右翼，為主攻方向。勝利後應福煦元帥要求，放棄梅斯，轉而向色當進攻。開啟默茲–阿戈訥攻勢(Meuse–Argonne Offensive)，該攻勢是協約國對德軍防線的大規模總攻，也是美國軍事史上規模最大，傷亡最慘重的單一戰役。美軍發起了代價巨大的正面進攻，第九步兵團作為第二師的一部分，投入阿戈訥森林與默茲河一帶的攻擊，面對的是多年經營的德軍壕溝、機槍巢與砲兵陣地。第九團在高烈度火力下逐步推進，掩護與支援友軍部隊突破防線。其表現使全團獲得法國頒授的十字軍功章肩繩(Fourragère of the Croix de Guerre)。

公元1943年10月，第九步兵團隨第二步兵師再度前往歐洲，準備參與諾曼第登陸。 6月7日，第九步兵團於奧瑪哈海灘登陸，沿海岸坡地與山谷向內陸推進，鞏固登陸場並接替首日登陸部隊，承受德軍殘存火力與反擊。隨後，第九步兵團參與攻佔192高地。此高地俯瞰通往聖洛的重要道路，一直由德軍頑強固守。第九團在茂密樹籬地形中逐段清除據點，最終奪下 192高地，直接打開向聖洛與「眼鏡蛇行動」(Operation Cobra)突破口。之後，第九團參與布雷斯特(Brest)要塞圍攻，並在公元1944年12月突出部之役中，在埃爾森博恩山脈堅守18小時激戰，抵擋德軍進攻，是美軍防線得以穩住並反攻的關鍵之一。公元1945年春，第九步兵團參與對齊格菲防線的攻擊，渡過萊茵河，迅速穿越薩克森進入捷克斯洛伐克。戰後，第九步兵團獲得多枚總統部隊嘉獎(Presidential Unit Citation)與比、盧等國部隊褒揚。

公元1950年6月，朝鮮人民軍在爭取中國與蘇聯支援後，越過三八線進攻韓國，韓戰爆發。大韓民國國軍一路潰退，聯合國軍嘗試阻滯亦失敗。於是以美軍為首的聯合國軍，決議增援，並以大邱為核心防禦釜山，依託洛東江組織防線，是為｢釜山環形防禦圈｣。第九步兵團隨第二步兵師奉命增援。第九步兵團部署於洛東江一帶，身後便是補給線的中樞——密陽。由於防線過長，在朝鮮人民軍的夜襲中，一時被截斷為兩節，一營幾乎被殲滅，二、三營損失近半，殘部退往靈山面小鎮。在那裡，第九步兵團與前來支援的海軍陸戰隊第一臨時旅並肩作戰。小鎮南面一度被突破，但在稍後的反攻中，美軍成功殲滅朝鮮人民軍第四師、第九師大部。因其在洛東江防線的表現，第九步兵團獲得大韓民國總統部隊嘉獎(Republic of Korea Presidential Unit Citation for Naktong River Line)。此後，第九步兵團又在韓戰的諸多戰役中屢次投入攻防，並有六名官兵因英勇行為獲得榮譽勳章。

越戰期間，第九步兵團的第四營配置於第25步兵師「熱帶閃電師」，自公元1966年起在南越西北部長期作戰。其行動多以連級甚至排級為單位進行巡邏、伏擊與搜索殲滅行動，也有幾次大規模作戰。公元1968年3月，C連遭大規模共軍部隊伏擊，傷亡慘重。

公元1989年5月，第九步兵團團部與第一、二營則以「尼姆羅德舞者行動」名義部署至巴拿馬，既保障巴拿馬運河的通航安全，也是作為對當地政局的示威性部署。部隊駐紮在謝爾曼堡(Fort Sherman)一帶，頻繁執行路線偵巡與警戒勤務，以保護駐巴美軍與家屬。同年12月，巴拿馬國民議會宣布與美國處於戰爭狀態，老布希隨即越權發動「正義事業行動」，第九步兵團以第七步兵師的一個旅級戰鬥群身份再度開赴巴拿馬，在市區實施巷戰、建築物搜索與武器庫查緝。其中一項著名事件，是根據情報突擊一處住宅，繳獲大量武器庫存；但事後證實為尼加拉瓜大使住宅，引發國際外交爭議。在擊潰巴拿馬國防軍(PDF)所有組織抵抗後，第九步兵團接替第82空降師部隊的責任區，持續清理巴拿馬市與周邊地區，直至公元1990年返國。

巴拿馬行動後，第九步兵團曾在關達那摩灣負責古巴與海地難民營的安全與人道支援；公元1990年代中期部隊編制重整後，團部與第一、二營回到第二步兵師旗下，駐紮韓國。

進入二十一世紀，第九步兵團第一、四營先後於伊拉克與阿富汗作戰，並多次獲得功績部隊嘉獎。公元2008年起，各營先後接受整編。至公元2018至2025年，第四營為唯一仍在現役的「滿洲」營，隸屬第四步兵師第一史崔克旅，駐科羅拉多州卡森堡。