Buckner became commanding officer of the third-rate HMS "Protée" in 1780 and saw action in her at the Battle of the Saintes in April 1782 during the American Revolutionary War.
Buckner became commanding officer of the third-rate HMS "Prothee" in 1780. In January 1782, he captured the American privateer frigate "Scourge" and saw action at the Battle of the Saintes in April 1782 during the American Revolutionary War.