First appearance of Torres's engineering jacket, which Roxann Dawson needed to hide her real-life pregnancy.
Chakotay visualizes the moon in its pre-colonized state. In Star Trek: First Contact (1996), Commander Riker stated that the moon appears quite different in the 24th century than in the 21st century.
Everyone brought to sickbay is covered with a blanket. Usually, patients are left uncovered.
This takes place in 2374.
47-reference: Stardate 51471.3.