BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20261011T234028Z
UID:78b2acbf-eb2f-4021-b991-e20a7462d5f3
DTSTART;VALUE=DATE:20261027
DTEND;VALUE=DATE:20261028
SUMMARY:Mission Day
END:VEVENT
END:VCALENDAR