Domenica Corsi (nicknamed "Core-Breach") was a female human in Starfleet in the 24th century. She was the daughter of Aldo and Ulrika Corsi, born circa 2340. She had one brother, Roberto.
The Corsis were descendants of a New York City firefighter who perished in the terrorist attacks of 2001. That ancestor's firefighter's axe became a cherished family heirloom, and Domenica Corsi's most valued possession.
Domenica Corsi first considered joining Starfleet due to her uncle Giancarlo's infatuation with the organization.
As a Starfleet Academy cadet, Corsi began a romantic relationship with fellow cadet Dar Ableen, a relationship that would last for eight years.
Corsi's first assignment as an ensign was aboard the USS Soval, where she worked directly under deputy Security Chief Heinrich Waldheim.
By 2374, Corsi had reached the rank of lieutenant commander, and was assigned as chief of security aboard the USS da Vinci under Captain David Gold. She became notorious with the da Vinci's crew as being a stickler for regulations and her fierce temper, which earned her the nickname "Core-Breach".
Corsi was promoted to full Commander in early 2377. As part of her promotion ceremony, her third solid rank pip was left outside the ship, with the intention of making her go outside in an EVA suit to retrieve it. Corsi instead had the ship's computer locate and beam it aboard.
After Captain Gold's retirement in 2380 and Sonya Gomez' promotion to captain, Corsi was promoted to first officer of the da Vinci.