Galen and Alwyn discuss another technomage, Elric, who was Galen's mentor. Elric appeared in The Geometry of Shadows (1994), as the technomages were leaving known space. Babylon 5 Canon says that, while not seen on the show, Galen was present during that episode as well.
Many fans speculate that this is an homage to the Dragonriders of Pern series, by Anne McCaffrey. There are several similarities: a colony deliberately regressing to near-medieval technology; a dragon; a pastoral culture which eschews technology, yet existing in a space-age universe.
This takes place from February 27 to March 2, 2267.
The armour worn by the soldiers in this episode was originally used in Starship Troopers (1997). This armour was used by numerous shows in the late 90s and early 00s including Power Rangers Lost Galaxy, Firefly and an episode of Andromeda