Operation Pegasus launched Operation Market Garden, an attempt by the British 2nd Army to bypass the Siegfried Line and advance into the Ruhr, Germany’s industrial heartland. The operation required the First Allied Airborne Army to seize several bridges over rivers and canals in the Netherlands, allowing ground forces to advance and cross the Lower Rhine at Arnhem. The 1st British Airborne Division dropped onto Arnhem on 17 September. They encountered far greater resistance than had been expected and only a small force were able to reach Arnhem road bridge. XXX Corps ground advance became delayed and without reinforcement this small force under
Operation Rösselsprung (1944) Luftwaffe aircraft in the skies over Yugoslavia. This offensive included over one thousand sorties by the newly formed Balkan Air Force. A costly ground attack was also launched by a combined Partisan, British and US force on the German-held Dalmatian island of Brač. Code-named "Operation Flounced", the assault was mounted from the British-held island of Vis further out in the Adriatic Sea on the night of 1/2 June. Fighting continued late into 3 June 1944 and resulted in the reinforcement of the island by a further 1,900 German troops. The assault force on Brač consisted of 13 battalions from the