History
Past service disruptions and maintenance events
25 March – 1 April 1968
✨
No incidents
All systems operated normally during this period
18–25 March 1968
✨
No incidents
All systems operated normally during this period
11–18 March 1968
✨
No incidents
All systems operated normally during this period
4–11 March 1968
✨
No incidents
All systems operated normally during this period
26 February – 4 March 1968
✨
No incidents
All systems operated normally during this period