USS Metternich

USS Metternich  was an heavy cruiser in  service during at least the mid-24th century.

Bayle Olin Erikssen served aboard Metternich from 2335 to 2341, as that ship charted the "southern" edge of Federation space for six years. By the end of his tour of duty on Metternich, Erikssen was promoted to lieutenant commander and had been repositioned as senior watch commander. (Star Trek: Luna)

Background
The ship was named after, a 19th-century Austrian diplomat.