In 2364, he was the commander of the USS Nightwing. (TNG: "Conspiracy" , okudagram) In 2368, he was listed as an Engineering Group officer on the second dedication plaque of the USS Enterprise-D. (TNG: "Silicon Avatar" , dedication plaque) In 2370, he was the commander of the USS Yorktown on a Deep Space 9 arrival roster. (DS9: "Whispers", okudagram) In the 2370s, he was listed as a Science Ops officer on the dedication plaque of Defiant-class starships. (DS9: "The Die is Cast", dedication plaque; DS9: "Valiant", USS Valiant dedication plaque; DS9: "The Dogs of War", dedication plaque)