Joe Longo was a Starfleet officer in the 24th century. In 2353, he was listed as a Starfleet Operational Support Services officer on a directory placard in Starbase 32, Maxia sector. His office was located in room #75274. (TNG: "Violations" , directory) In the 2370s, he was listed as an Yard Engineer on the dedication plaque of Defiant-class starships. (DS9: "Defiant", dedication plaque; DS9: "Valiant", dedication plaque, DS9: "The Dogs of War", dedication plaque)