The 82nd Airborne Division was tasked with securing the biggest of all the crossings along Hell's Highway, the road and rail bridges at Nijmegen.
It was also responsible for securing the highway crossings at Grave and Honinghutie and seven other bridges across the Maas and the Maas-Waal Canal, not to mention securing the 10km of the Groesbeek Heights, through which any direct attack from Germany must come.
Their objectives, particular the highway bridge at Nijmegen were vital to the success of Market Garden. That they failed to do so in time to effect the relief of John Frost's 2nd Paratroop Battalion at Arnhem is a testimony to the priority and effort the Germans afforded Nijmegen and to the poor planning and judgment made by the Allied commanders. Even so the soldiers of the 82nd Airborne Division performed brilliantly and earned the praise of General Dempsey - "the finest division in the world".
The scenario starts with the airdrop by the parachute regiments of the 82nd Airborne Division and continues until the end of Day 5. The 82nd Airborne Division arrives in multiple lifts. In keeping with American standard operating procedures, the Parachute elements dropped first, then the glider borne Divisional assets (Day 2 ) and finally the 325th Glider Regiment - scheduled for Day 3 but in fact they did not arrive until late on Day 5. (The 325th is therefore only available under the Favor Allies Reinforcement option).
For the Allies, the 82nd Airborne Division must secure the vital bridges and a route for the 30th Corps to fight their way north to Arnhem. They will have to do so by themselves until the Guards Arm Division starts arriving in the south early on Day 3. The 43rd Wessex Infantry Division, which was earmarked to push onto Arnhem, is only available in the Favor Allies reinforcement option.
The Germans have been ordered by Field Marshall Model to secure the Nijmegen crossings for their own projected counter-attack to Antwerp. Under no circumstances are the Nijmegen bridges to be blown. All other crossings are to be denied, the highway blocked and the Allied soldiers threatening the ReichsWald crushed.
To do this a scratch force of garrison troops and training units has been thrown together. KG Henke in Nijmegen must hold until relieved by the elite 10th SS Panzer Division (or what's left of it - really only around 3,000 troops), elements of which should start arriving late evening of Day 1. By early Day 2 the 406th Infantry Division (which was being formed in the ReichsWald) should enter the fray en masse. It's troops are a mixed bag, some barely trained and most yet to se their first day of combat.