Third Retan'ikron was a Jem'Hadar soldier who served in the Dominion. He was the served under First Ruaf'izod during the operation to commandeer the USS Lambda Paz in 2374. While aboard the Lambda Paz, Retan'ikron served a tactical officer.
Retan'ikron would later vacate the ship with the rest of the troops during faked Warp core breach.(Star Trek: Lambda Paz: "The Tides of War, Part 2")