In 2267, the Hood underwent a layover at Starbase 11. The ship's registry was seen on a chart indicating the repair status of several vessels. (TOS: "Court Martial" ) A year later, the Hood participated in the unsuccessful M-5 battle simulation. The unshielded Hood was severely damaged when she was fired upon by the computer-controlled USS Enterprise using full-powered weapons. (TOS: "The Ultimate Computer" )