History

Past service disruptions and maintenance events

28 December 1959 – 4 January 1960

No incidents

All systems operated normally during this period

21–28 December 1959

No incidents

All systems operated normally during this period

14–21 December 1959

No incidents

All systems operated normally during this period

7–14 December 1959

No incidents

All systems operated normally during this period

30 November – 7 December 1959

No incidents

All systems operated normally during this period