Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
Please see this thread for updates. Update Thread
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In that case doing a air start might be your best bet if the airfield has moved to now water.
Maybe using the right scenery would fix the problem.There might be problems as he advances through the campaign,don't you think?He may have just put in the wrong data in the airbase file.
My son told me this campaign and other 3 others in the package use Maskrider scenery,this could cause problems with all of them which have a total of 100 missions I believe.It's also the continuation of the USMC Aces campaign that Talon did and states you need that one for it to work right.
Hiede

The new scenery is not compatible as it was created to be closer to reality. Tinkering with old missions to bring them up to date is one of the few things in CFS2 I've become pretty adept at, I'd be happy to take a look at the USMC43 missions and see what I can fix.