History

Past service disruptions and maintenance events

22–29 December 1941

No incidents

All systems operated normally during this period

15–22 December 1941

No incidents

All systems operated normally during this period

8–15 December 1941

No incidents

All systems operated normally during this period

1–8 December 1941

No incidents

All systems operated normally during this period

30 December 1940 – 6 January 1941

No incidents

All systems operated normally during this period