Spurred on by the issues Robert John had with Fall Weiss that alerted me to corrections that needed to be made, I went through the 20th Fighter Group campaign and looked for similar problems. I found several issues, including aircraft naming problems, .dp misc data and panel issues, as well as missing weapons. These have all been corrected.
I also took the opportunity to update the GSL work, to both remain current (Bordeaux, Brest) and to replace mission-based factories with permanent scenery to keep the mission size down. I also corrected mission 34, actually attacking the city of Tours (which has been built in GSL) rather than Angers, which has now been removed.