Battle of Gamma Hydra (stardate 0805.02)

The Battle of Gamma Hydra was a military engagement that was fought between the forces of United Earth and the Romulan Star Empire during the Romulan War between 2156 and 2160.

One of the honored heroes of the battle was Human Admiral William G. Larson, who later had a class of destroyers named after him as well as a starship.