A midshipman adjusts a prospective plebe's salute as he stands in formation during Induction Day at the U.S. Naval Academy Thursday in Annapolis, Md. More than 1,200 men and women reported for "I-Day," the first day of Plebe Summer, where they received haircuts, new uniforms and instructions on how to salute before taking an oath of office to become members of the Class of 2017. (AP Photo/Patrick Semansky)

Question: How old were you -- and in which branch of the service -- when you learned to give a proper salute?