- "To the UNSA forces aboard my ship, this is Captain Barkov. Yield or the personnel will die."
- — Barkov after accessing Galaxius' terminal.
Cpt. Lt. Barkov, a Secession War veteran, led the infamous Dire Brigade, a penal battalion compromised of the sickest, most vicious criminals of the SDF.
- "Their blood is on your hands."
- "Just turn yourself in and they'll live."
- "You have come here only to fail."
- "The Earth born are gutless, afraid to endure suffering."
- "Come. Save them. You're the only one who can."
- "Only you can stop this. It is entirely your choice."
- "They were not brought here to die. You are killing them."
- "You came a long way to let your people die."
- His card on the Most Wanted board is the Queen of Clubs.
- The character is possibly inspired by Oskar Dirlewanger, an SS officer who led the Dirlewanger Brigade, an SS unit comprised of criminals responsible for some of World War Two's worst crimes.
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