Uniforms and insignia of the Schutzstaffel shoulderboards on both sides. In March 1936, the camp "service" was formally established as the third branch of the SS, the "Totenkopfverbände" or skull units. At about this same time, for similar reasons, the military SS formations (the "Leibstandarte SS Adolf Hitler" and the "SS-Verfügungstruppe") adopted a service uniform in what was termed "earth-grey" ("erdgrau"). This also was based on the black uniform, but without the red "Hakenkreuz" armband, its place on the left sleeve being taken by an eagle-and-swastika patch, and worn with trousers and shoes or calf-high jackboots. In June 1938 this uniform was authorized for full-time "Allgemeine-SS"
Bombing the Nazis Fortress bombers, causing further destruction. The USAAF began building up its air forces in Europe with the Boeing B-17 introduced as one of prime Allied weapons in the air war. The B-17 Flying Fortress was a four-engine heavy bomber aircraft, with a crew of 10. The heavily-armed B-17 was flying high-altitude daylight formation missions and bombing with precision due to the use of a secret Norden bombsight. While the RAF concentrate on night bombing, as more B-17s arrive, an intense round-the-clock bombing campaign against Nazi-occupied Europe begins. "Bombing the Nazis" was part of the wartime morale-boosting propaganda newsreels using the