INS Issues
Glory Days!
Reminds me of the Litton 14A in the old F-111C Classics - We used to watch the analogue Lat/Long readouts (like an old car odometer) as we appraoched both the equator and date line; praying that they would cope with changing from South to North or East to West.
Too long spinning along in the 1 hemisphere made for worn out cogs!