In their hey-day they were the eyes of the battle fleets, acting as despatch vessels, passing on flagged orders during battle, and either "finishing off" or towing away as prizes stricken enemy ships. They also undertook anti-pirate ( and later, anti-slaving) duties and “showing the flag” diplomacy where the use of a full [[ship of the line]] was deemed unnecessary. | In their hey-day they were the eyes of the battle fleets, acting as despatch vessels, passing on flagged orders during battle, and either "finishing off" or towing away as prizes stricken enemy ships. They also undertook anti-pirate ( and later, anti-slaving) duties and “showing the flag” diplomacy where the use of a full [[ship of the line]] was deemed unnecessary. |