Lethe alpha literally means "un-forgetfulness" or "un-concealment". Lethe, the river of forgetfulness, was one of the five rivers of the Greek underworld, the other four being Styx, Acheron (the river of sorrow), Cocytus (the river of lamentation) and Phlegethon (the river of fire). According to Statius, it bordered Elysium, the final resting place of the virtuous. Ovid wrote that the river flowed through the cave of Hypnos, god of sleep, where its murmuring would induce drowsiness. The shades of the dead were required to drink the waters of the Lethe in order to forget their earthly life. In the "Aeneid", Virgil
Barge of the Dead episode as part of a pitch for the "" episode "Soldiers of the Empire". The idea was initially rejected, but was revisited for "Star Trek: Voyager". Following the episode's completion, both Moore and Fuller left the series because of dissatisfaction with their lack of control over its direction, and the perceived absence of strong story arcs across multiple episodes. "Barge of the Dead" was one of several episodes that addressed Torres' strained relationship with her parents and her Klingon heritage. Scholars have offered a range of opinions on Gre'thor, with the setting and ideology compared to Norse mythology, Greek mythology,