John Copper was a Human male who served as a medical technician in Starfleet in the 24th century. As of late 2374, he was assigned to the USS da Vinci under chief medical officer Dr. Tydoan, and later Dr. Elizabeth Lense. (SCE eBook: War Stories, Book 2) He retired from Starfleet in mid-2376, following the near-destruction of the da Vinci at Galvan VI. (SCE eBook: Breakdowns) Copper's first appearance was in Interphase, Part One.