History

Past service disruptions and maintenance events

27 December 1954 – 3 January 1955

No incidents

All systems operated normally during this period

20–27 December 1954

No incidents

All systems operated normally during this period

13–20 December 1954

No incidents

All systems operated normally during this period

6–13 December 1954

No incidents

All systems operated normally during this period

29 November – 6 December 1954

No incidents

All systems operated normally during this period