After about 3 years , they would be promoted to midshipman .
Boys would join the navy around the age of 12 and they would serve as a servant for one of the officers , as a volunteer , or as a seaman .
After about 3 years , Boys would be promoted to midshipman .
Boys would join the navy around the age of 12 and they would serve as a servant for one of the officers , as a volunteer , or as a seaman .