Operation Bodenplatte ([bodnplat]; "Baseplate"), launched on 1 January 1945, was an attempt by the Luftwaffe to cripple Allied air forces in the Low Countries during the Second World War. The goal of Bodenplatte was to gain air superiority during the stagnant stage of the Battle of the Bulge so that the German Army and Waffen-SS forces could resume their advance. The operation was planned for 16 December 1944, but was delayed repeatedly due to bad weather until New Year's Day, the first day that happened to be suitable.Secrecy for the operation was so tight that not all German ground and naval forces had been informed of the operation and some units suffered casualties from friendly fire. British signals intelligence recorded the movement and buildup of German air forces in the region, but did not realise that an operation was imminent.

The operation achieved some surprise and tactical success, but was ultimately a failure. A great many Allied aircraft were destroyed on the ground but replaced within a week. Allied aircrew casualties were quite small, since the majority of Allied losses were grounded aircraft. The Germans, however, lost many pilots who could not be readily replaced.Post-battle analysis suggests only 11 of the Luftwaffe's 34 air combat Gruppen (groups) made attacks on time and with surprise. The operation failed to achieve air superiority, even temporarily, while the German ground forces continued to be exposed to Allied air attack. Bodenplatte was the last large-scale strategic offensive operation mounted by the Luftwaffe during the war.

The Luftwaffe (German pronunciation: [ˈlʊftvafə] (listen)) was the aerial-warfare branch of the German Wehrmacht before and during World War II. Germany's military air arms during World War I, the Luftstreitkräfte of the Imperial Army and the Marine-Fliegerabteilung of the Imperial Navy, had been disbanded in May 1920 in accordance with the terms of the 1919 Treaty of Versailles which banned Germany from having any air force.

During the interwar period, German pilots were trained secretly in violation of the treaty at Lipetsk Air Base in the Soviet Union. With the rise of the Nazi Party and the repudiation of the Versailles Treaty, the Luftwaffe's existence was publicly acknowledged on 26 February 1935, just over two weeks before open defiance of the Versailles Treaty through German re-armament and conscription would be announced on 16 March. The Condor Legion, a Luftwaffe detachment sent to aid Nationalist forces in the Spanish Civil War, provided the force with a valuable testing ground for new tactics and aircraft. Partially as a result of this combat experience, the Luftwaffe had become one of the most sophisticated, technologically advanced, and battle-experienced air forces in the world when World War II broke out in 1939. By the summer of 1939, the Luftwaffe had twenty-eight Geschwader (wings). The Luftwaffe also operated Fallschirmjäger paratrooper units.

The Luftwaffe proved instrumental in the German victories across Poland and Western Europe in 1939 and 1940. During the Battle of Britain, however, despite inflicting severe damage to the RAF's infrastructure and, during the subsequent Blitz, devastating many British cities, the German air force failed to batter the beleaguered British into submission. From 1942, Allied bombing campaigns gradually destroyed the Luftwaffe's fighter arm. From late 1942, the Luftwaffe used its surplus ground support and other personnel to raise Luftwaffe Field Divisions. In addition to its service in the West, the Luftwaffe operated over the Soviet Union, North Africa and Southern Europe. Despite its belated use of advanced turbojet and rocket-propelled aircraft for the destruction of Allied bombers, the Luftwaffe was overwhelmed by the Allies' superior numbers and improved tactics, and a lack of trained pilots and aviation fuel. In January 1945, during the closing stages of the Battle of the Bulge, the Luftwaffe made a last-ditch effort to win air superiority, and met with failure. With rapidly dwindling supplies of petroleum, oil, and lubricants after this campaign, and as part of the entire combined Wehrmacht military forces as a whole, the Luftwaffe ceased to be an effective fighting force.

After the defeat of Germany, the Luftwaffe was disbanded in 1946. During World War II, German pilots claimed roughly 70,000 aerial victories, while over 75,000 Luftwaffe aircraft were destroyed or significantly damaged. Of these, nearly 40,000 were lost entirely. The Luftwaffe had only two commanders-in-chief throughout its history: Hermann Göring and later Generalfeldmarschall Robert Ritter von Greim for the last two weeks of the war.

The Luftwaffe was deeply involved in Nazi war crimes. By the end of the war, a significant percentage of aircraft production originated in concentration camps, an industry employing tens of thousands of prisoners. The Luftwaffe's demand for labor was one of the factors that led to the deportation and murder of hundreds of thousands of Hungarian Jews in 1944. The Oberkommando der Luftwaffe organized Nazi human experimentation, and Luftwaffe ground troops committed massacres in Italy, Greece, and Poland.