The United States Army conducted many campaigns during World War II. These are the campaigns that were officially designated by the Army. It is the basis of campaign honors and awards for U.S. Army units and servicemen, [1] [2] but is not a comprehensive list of all the campaigns of the war, as it omits campaigns in which U.S. Army participation was minimal. [3]
In all, 44 World War II campaigns were designated by the U.S. Army: 24 for the Asiatic–Pacific Theater, 19 in the European–African–Middle Eastern Theater, and one in the American Theater. In addition, there were three main blanket campaigns: antisubmarine warfare, ground combat and air combat. These were designated for each theater, except the American Theater, which only had the one blanket campaign awarded – anti-submarine warfare. These three theaters each had its own campaign ribbon. The list of campaigns includes those undertaken by U.S. Army units participating in ground combat as well as those undertaken by United States Army Air Forces participating in air combat. [3]
The war started for America on 7 December 1941 with the Japanese attack on Pearl Harbor, [4] and the invasion of the Philippines and the Dutch East Indies. [5] Hard-fought campaigns in Papua and Guadalcanal followed in 1942. In 1943, the Japanese were driven from the Aleutian Islands, and U.S. forces landed in the northern Solomon Islands, [6] the Gilbert Islands, [7] and the Bismarck Archipelago. [8] This was followed in 1944 by the invasion of the Marshall Islands, [7] a series of landings in western New Guinea, [6] the capture of the Mariana Islands and Battle of Palau. [9] The U.S. Army returned to the Philippines in October 1944, waging major campaigns on Luzon and the southern Philippines through 1945. [10] U.S. forces landed on Okinawa and in April 1945. [11] Atomic bombs developed under the direction of the U.S. Army were dropped on Hiroshima and Nagasaki in 1945, which caused the Japanese to unconditionally surrender on 2 September 1945, aboard the USS Missouri. [12]
While U.S. support for China was a reason for the war, the U.S. Army did not deploy major ground forces there, although U.S. air and service units played a vital role. [13] After being driven out of Burma in 1942, [14] a provisional regiment of the U.S. Army (Merrill's Marauders) participated in the reconquest of Northern Burma in 1944, [15] and two regiments took part in the Central Burma Campaign the following year before moving on into China. [16] In response to U.S. Army Air Forces operations from China, the Japanese drove the Americans and Chinese from eastern China. Only in the last weeks of the war did the tide turn in favor of the Allies in China. [13]
Although many campaigns were fought in Asia and the Pacific, the major focus of the U.S. Army was always on the European Theater, where most its strength was ultimately deployed. U.S. forces saw action in the invasion of North Africa in November 1942, and the subsequent Tunisia Campaign in 1943. [17] The U.S. Army participated in the Allied invasion of Sicily in July 1943, [18] and then the Allied invasion of Italy in September. [19] Hopes for a quick capture of Rome were frustrated by the Germans, who conducted a fighting withdrawal to the Gustav Line, which the landing at Anzio and the fighting at Monte Cassino in January 1944 failed to break. The Gustav Line was finally broken in May 1944, while Rome was captured on 4 June, and the Germans retreated to the Gothic Line in Northern Italy, [20] where the Allies were held until they broke into the Po Valley in a successful offensive in April 1945. [21]
In June 1944, the U.S. Army participated in Operation Overlord, the Allied invasion of Normandy. After heavy fighting, the Allies broke out of Normandy in July 1944. [22] Efforts to capture the ports in Brittany proved difficult, but Allied forces quickly liberated Belgium and much of France. U.S. forces participated in the invasion of southern France (Operation Dragoon) in August 1944, and the airborne assault on the Netherlands (Operation Market Garden) in September, but logistical difficulties and German resistance slowed U.S. assaults on the Siegfried Line and in Lorraine in late 1944. [23] In December 1944, the U.S. Army was surprised by the German Ardennes offensive (the Battle of the Bulge), which was defeated only after costly fighting that strained the U.S. Army's manpower to its limits. [24] In February 1945, operations began that drove the Germans from the Rhineland, and the Rhine was crossed in March 1945. [25] In April 1945, U.S. Army forces entered the heartland of Germany. Operations continued until the war in Europe ended on 8 May 1945 with the signing of unconditional surrender the previous day. [21]
Campaign name | Date | Result |
---|---|---|
Pacific Air Offensive | 17 April 1942 – 2 September 1945 [8] | |
Philippine Islands Campaign | 7 December 1941 – 10 May 1942 [5] | Japanese victory, American retreat from the Philippines [5] |
East Indies Campaign | 1 January – 22 July 1942 [5] | Japanese victory, Allied retreat from the East Indies. [5] |
Aleutian Islands Campaign [lower-alpha 1] | 3 June 1942 – 24 August 1943 [5] | Allied victory, Japanese withdraw from the Aleutian Islands. [5] |
Guadalcanal Campaign | 7 August 1942 – 21 February 1943 [27] | U.S. victory, Japanese withdraw from Guadalcanal. [28] [29] |
Northern Solomons Campaign | 22 February 1943 – 21 November 1944 [6] | Allied victory, Japanese resistance remains. [6] [29] |
Bismarck Archipelago Campaign | 15 December 1943 – 27 November 1944 [8] | Allied victory, Japanese resistance remains. [29] [30] |
Papua Campaign | 23 July 1942 – 23 January 1943 [6] | Allied victory, Japanese withdraw from Papua. [6] [29] |
New Guinea Campaign [31] | 24 January 1943 – 31 December 1944 [31] | Allied victory, Japanese resistance remains. [29] [31] |
Leyte Campaign | 17 October 1944 – 1 July 1945 [32] | Allied victory, Japanese withdraw, sporadic resistance remains. [32] |
Luzon Campaign | 15 December 1944 – 4 July 1945 [10] | Allied victory, Japanese resistance remains. [10] |
Southern Philippines Campaign | 27 February – 4 July 1945 [10] | Allied victory, Japanese resistance remains. [10] |
Central Pacific Campaign | 7 December 1941 – 6 December 1944 [7] | U.S. victory, Japanese resistance remains. [7] [29] |
Eastern Mandates Campaign | 31 January – 14 June 1944 [7] | U.S. victory, Japanese resistance remains. [7] [29] |
Western Pacific Campaign | 15 June 1944 – 2 September 1945 [9] | U.S. victory, Japanese resistance remains. [9] [29] |
Ryukyus Campaign | 26 March – 2 July 1945 [11] | U.S. victory, Japanese sporadic resistance remains. [11] [29] |
Campaign name | Date | Result |
---|---|---|
Burma, 1942 | 7 December 1941 – 26 May 1942 [33] | Japanese victory, Allied retreat into India. [14] |
India–Burma Campaign | 2 April 1942 – 28 January 1945 [15] | Allied victory, Japanese retreat into Central Burma. [34] |
Central Burma Campaign | 29 January – 15 July 1945 [35] | Allied victory, Japanese are driven out of Burma [16] |
China Defensive Campaign | 4 July 1942 – 4 May 1945 [13] | Japanese victory, Allies driven from eastern China [13] |
China Offensive Campaign | 5 May – 2 September 1945 [13] | Allied victory when war ends. [13] |
Campaign name | Date | Result |
---|---|---|
Anti-submarine campaign | 7 December 1941 – 2 September 1945 [2] | |
Ground Combat | 7 December 1941 – 2 September 1945 [2] | |
Air Combat | 7 December 1941 – 2 September 1945 [2] |
Campaign name | Date | Result |
---|---|---|
Egypt–Libya Campaign | 11 June 1942 – 12 February 1943 [36] | Allied victory, Axis withdraw into Tunisia. [36] |
Algeria–French Morocco Campaign | 8 November 1942 – 11 November 1942 [17] | Allied victory over Vichy French. [17] |
Tunisia Campaign | 17 November 1942 – 13 May 1943 [17] | Allied victory, Axis withdraw to Italy. [17] |
Sicily Campaign | 9 July – 17 August 1943 [18] | Allied victory, Germans retreat into Italy. |
Naples–Foggia Campaign | 9 September 1943 – 21 January 1944 [19] | Stalemate; Germans conduct a fighting withdrawal to the Gustav Line. [19] |
Anzio Campaign | 22 January – 24 May 1944 [20] | Stalemate at first; Allies fail to capture Rome, Germans fail to destroy Allied beachhead. The Allies broke out from the beachhead several months later. [20] |
Rome–Arno Campaign | 22 January – 9 September 1944 [20] | Allied victory, Germans withdraw to the Gothic Line. [20] |
North Apennines Campaign | 10 September 1944 – 4 April 1945 [20] | Stalemate. [20] |
Po Valley Campaign | 5 April – 8 May 1945 [21] | Allied victory, Germans surrender in Italy. [21] |
Campaign name | Date | Result |
---|---|---|
European Air Offensive | 4 July 1942 – 5 June 1944 [8] [37] | |
Normandy Campaign | 6 June – 24 July 1944 [22] [37] | Allied success, Germans withdraw to central France. [22] |
Northern France Campaign | 25 July – 14 September 1944 [23] [37] | Allied success; Germans are driven out of Northern France but Allied offensives in France, Germany and the Netherlands stall. [23] |
Southern France Campaign | 5 August – 14 September 1944 [23] [37] | Allied victory, Germans are driven out of Southern France. [23] |
Ardennes-Alsace Campaign | 16 December 1944 – 25 January 1945 [24] [37] | Allied victory, German offensive is driven back. [24] |
Rhineland Campaign | 15 September 1944 – 21 March 1945 [25] | Allied victory, Germans retreat across Rhine River. [25] [37] |
Central Europe Campaign | 22 March – 11 May 1945 [21] | Allies are triumphant, war in Europe ends with Germany's surrender. [21] [37] |
Campaign name | Date | Result |
---|---|---|
Anti-submarine campaign | 7 December 1941 – 2 September 1945 [1] | |
Ground Combat | 7 December 1941 – 2 September 1945 [1] | |
Air Combat | 7 December 1941 – 2 September 1945 [1] |
Campaign name | Date | Result |
---|---|---|
Anti-submarine campaign | 7 December 1941 – 2 September 1945 [38] |
The Guadalcanal campaign, also known as the Battle of Guadalcanal and codenamed Operation Watchtower by American forces, was a military campaign fought between 7 August 1942 and 9 February 1943 on and around the island of Guadalcanal in the Pacific theater of World War II. It was the first major land offensive by Allied forces against the Empire of Japan.
The European Theater of Operations, United States Army (ETOUSA) was a Theater of Operations responsible for directing United States Army operations throughout the European theatre of World War II, from 1942 to 1945. It commanded Army Ground Forces (AGF), United States Army Air Forces (USAAF), and Army Service Forces (ASF) operations north of Italy and the Mediterranean coast. It was bordered to the south by the North African Theater of Operations, United States Army (NATOUSA), which later became the Mediterranean Theater of Operations, United States Army (MTOUSA).
The Asiatic-Pacific Theater was the theater of operations of U.S. forces during World War II in the Pacific War during 1941–1945. From mid-1942 until the end of the war in 1945, two U.S. operational commands were in the Pacific. The Pacific Ocean Areas (POA), divided into the Central Pacific Area, the North Pacific Area and the South Pacific Area, were commanded by Fleet Admiral Chester W. Nimitz, Commander-in-Chief Pacific Ocean Areas. The South West Pacific Area (SWPA) was commanded by General of the Army Douglas MacArthur, Supreme Allied Commander South West Pacific Area. During 1945, the United States added the United States Strategic Air Forces in the Pacific, commanded by General Carl A. Spaatz.
During World War II, the United States Army divided its operations around the world into four theaters. Forces from many different Allied nations fought in these theaters. Other Allied countries have different conceptions of the theaters and/or different names for them.
The Pacific War, sometimes called the Asia–Pacific War, was the theater of World War II that was fought in Asia, the Pacific Ocean, the Indian Ocean, and Oceania. It was geographically the largest theater of the war, including the vast Pacific Ocean theater, the South West Pacific theater, the Second Sino-Japanese War, and the Soviet–Japanese War.
Europe first, also known as Germany first, was the key element of the grand strategy agreed upon by the United States and the United Kingdom during World War II. According to this policy, the United States and the United Kingdom would use the preponderance of their resources to subdue Nazi Germany in Europe first. Simultaneously, they would fight a holding action against Japan in the Pacific, using fewer resources. After the defeat of Germany—considered the greatest threat to the UK and the Soviet Union—all Allied forces could be concentrated against Japan.
The Burma campaign was a series of battles fought in the British colony of Burma. It was part of the South-East Asian theatre of World War II and primarily involved forces of the Allies; the British Empire and the Republic of China, with support from the United States. They faced against the invading forces of Imperial Japan, who were supported by the Thai Phayap Army, as well as two collaborationist independence movements and armies, the first being the Burma Independence Army, which spearheaded the initial attacks against the country. Puppet states were established in the conquered areas and territories were annexed, while the international Allied force in British India launched several failed offensives. During the later 1944 offensive into India and subsequent Allied recapture of Burma the Indian National Army, led by revolutionary Subhas C. Bose and his "Free India", were also fighting together with Japan. British Empire forces peaked at around 1,000,000 land and air forces, and were drawn primarily from British India, with British Army forces, 100,000 East and West African colonial troops, and smaller numbers of land and air forces from several other Dominions and Colonies.
The Asiatic–Pacific Campaign Medal is a United States military award of the Second World War, which was awarded to any member of the United States Armed Forces who served in the Asiatic-Pacific Theater from 1941 to 1945. The medal was created on November 6, 1942, by Executive Order 9265 issued by President Franklin D. Roosevelt. The medal was designed by Thomas Hudson Jones; the reverse side was designed by Adolph Alexander Weinman which is the same design as used on the reverse of the American Campaign Medal and European-African-Middle Eastern Campaign Medal.
The South-East Asian Theatre of World War II consisted of the campaigns of the Pacific War in Burma, India, Thailand, Indonesia, the Philippines, Indochina, Malaya and Singapore.
The Mediterranean Theater of Operations, United States Army (MTOUSA), originally called the North African Theater of Operations, United States Army (NATOUSA), was a military formation of the United States Army that supervised all U.S. Army forces which fought in the North Africa and Italy during World War II. United States Army operations in the theater began with Operation Torch, when Allied forces landed on the beaches of northwest Africa on 8 November 1942, and concluded in the Italian Alps some 31 months later, with the German surrender in Italy on 2 May 1945. For administrative purposes, U.S. components were responsible to Headquarters North African Theater of Operations, United States Army (NATOUSA), which was created 14 February 1943. NATOUSA was redesignated Mediterranean Theater of Operations, United States Army (MTOUSA), on 26 October 1944.
General Alexander McCarrell Patch was a senior United States Army officer who fought in both world wars, rising to rank of general. During World War II, he commanded U.S. Army and Marine Corps forces during the Guadalcanal Campaign in the Pacific, and the Seventh Army on the Western Front in Europe.
Operation Ichi-Go was a campaign of a series of major battles between the Imperial Japanese Army forces and the National Revolutionary Army of the Republic of China, fought from April to December 1944. It consisted of three separate battles in the Chinese provinces of Henan, Hunan and Guangxi.
The Solomon Islands campaign was a major campaign of the Pacific War of World War II. The campaign began with Japanese landings and occupation of several areas in the British Solomon Islands and Bougainville, in the Territory of New Guinea, during the first six months of 1942. The Japanese occupied these locations and began the construction of several naval and air bases with the goals of protecting the flank of the Japanese offensive in New Guinea, establishing a security barrier for the major Japanese base at Rabaul on New Britain, and providing bases for interdicting supply lines between the Allied powers of the United States and Australia and New Zealand.
The Philippines campaign, Battle of the Philippines or the Liberation of the Philippines, codenamed Operation Musketeer I, II, and III, was the American, Mexican, Australian and Filipino campaign to defeat and expel the Imperial Japanese forces occupying the Philippines during World War II. The Japanese Army overran all of the Philippines during the first half of 1942. The liberation of the Philippines commenced with amphibious landings on the eastern Philippine island of Leyte on October 20, 1944. The United States and Philippine Commonwealth military forces were progressing in liberating territory and islands when the Japanese forces in the Philippines were ordered to surrender by Tokyo on August 15, 1945, after the dropping of the atomic bombs on mainland Japan and the Soviet invasion of Manchuria.
The invasion of Tulagi, on 3–4 May 1942, was part of Operation Mo, the Empire of Japan's strategy in the South Pacific and South West Pacific Area in 1942. The plan called for Imperial Japanese Navy troops to capture Tulagi and nearby islands in the British Solomon Islands Protectorate. The occupation of Tulagi by the Japanese was intended to cover the flank of and provide reconnaissance support for Japanese forces that were advancing on Port Moresby in New Guinea, provide greater defensive depth for the major Japanese base at Rabaul, and serve as a base for Japanese forces to threaten and interdict the supply and communication routes between the United States and Australia and New Zealand.
The South West Pacific theatre, during World War II, was a major theatre of the war between the Allies and the Axis. It included the Philippines, the Dutch East Indies, Borneo, Australia and its mandate Territory of New Guinea and the western part of the Solomon Islands. This area was defined by the Allied powers' South West Pacific Area (SWPA) command.
The Pacific Ocean theater of World War II was a major theater of the Pacific War, the war between the Allies and the Empire of Japan. It was defined by the Allied powers' Pacific Ocean Area command, which included most of the Pacific Ocean and its islands, while mainland Asia was excluded, as were the Philippines, the Dutch East Indies, Borneo, Australia, most of the Territory of New Guinea, and the western part of the Solomon Islands.
The SCR-284 was a World War II era combination transmitter and receiver used in vehicles or fixed ground stations.
ToshinariShōji was a major general in the Imperial Japanese Army during the Pacific campaign in World War II.
The Pacific War lasted from 1941 to 1945, with the Empire of Japan fighting against the United States, the British Empire and their allies. Most of the campaign was fought on a variety of small islands in the Pacific region. Compared to the European Theater, combat in the Pacific was brutal, marked by illness, disease, and ferocity. The Imperial Japanese Army (IJA) typically fought alone in these engagements, often with very little naval or aerial support, and the IJA quickly garnered a reputation for their unrelenting spirit.