Marvin Rush was a Starfleet officer who served during the 24th century.
As an admiral, he was listed as an Exploratory Division officer on the dedication plaque of the USS Brattain. (TNG: "Night Terrors", dedication plaque)
In 2353, he was listed as a Starfleet Operational Support Services officer on a directory for Starbase 32, Maxia sector. His office was located in room #55154. (TNG: "Violations", directory)
He was a captain in the years 2363-2367. He was listed as the head of the Stellar Imaging Division on the dedication plaque of several Federation starships. (TNG: "The Wounded", dedication plaque; TNG: "Redemption II", dedication plaque)
- (2363) USS Phoenix
- (2367) USS Sutherland
During the 2370s, he was listed as a Research and Development officer on the dedication plaque of Federation starships. (VOY: "Caretaker", dedication plaque; VOY: "Message in a Bottle", dedication plaque)