Try to reproduce this:
1. Start DCS
2. Start F-18 cold and dark instant mission
3. Press F11
4. Translate camera to position over control tower
5. Close mission, but do not close DCS.
6. Start F-18 cold and dark instant mission again
7. Press F11
8. Translate camera to position over rwy 04 threshold
9. Close mission, save track, do not close DCS
10. Watch the track