The episode title translates into English as 'If you wish for peace, prepare for war', and is the motto of the Royal Navy.
Discovery attempts to aid the Gagarin. Yuri Gagarin was a Soviet cosmonaut, and was the first human in outer space, orbiting the Earth one time.
This is the ninth "Star Trek" episode to have a Latin title, after: Dramatis Personae (1993), Sub Rosa (1994), Ex Post Facto (1995), Non Sequitur (1995), Alter Ego (1997), Inter Arma Enim Silent Leges (1999), Terra Nova (2001) and Vox Sola (2002).
When Saru wakes up to speak with the Pahvans, the original transporter sound effect from The Cage (1966) is utilised.
After Encounter at Farpoint (1987) and Magic to Make the Sanest Man Go Mad (2017), this is the third live action "Star Trek" episode not to feature a teaser.