The 2nd SS Panzer Division "Das Reich" is on a road march from Southern France to Normandy to defend against the Allied D-Day invasion. An SAS team dropped into France on 6 June has discovered a railroad marshalling yard at Chatellerault filled with petrol tank cars positioned to supply the 2nd SS Panzer Division. The rail yard was reported to the RAF, which has dispatched 12 Mosquitos to destroy it. You are Wing Commander Irving "Black" Smith who also led the attack on Amiens Prison last Spring.