- Implementation of IFS Cycle 45
- Implementation of IFS Cycle 44
- Implementation of IFS Cycle 43
- Implementation of IFS changes (23 Jun 1992)
- Implementation of IFS changes (09 Jun 1992)
- Implementation of IFS changes (02 Jun 1992)
- Implementation of IFS Cycle 42
- Implementation of IFS changes (20 Feb 1992)
- Implementation of IFS Cycle 41