- See Rizzo for other articles with titles that contain, either by relationship or by coincidence, this character's surname.
By 2243, Rizzo had been promoted to section chief and conducted training drills aboard the Endeavour.
In 2243, during the Battle of Donatu V, Rizzo assisted an evacuation of injured personnel from the damaged secondary hull of the Endeavour prior to a saucer separation, then fought to repel Klingon boarding parties in impulse engineering aboard the primary hull. He chose strategically defensible positions for his team, but ended up as one of the battle's casualties. (TOS - Errand of Fury novel: Seeds of Rage)