1. the
term, Sir, is normally used when addressing an
officer, as in, "Excuse me, Sir.' "Thank you, Sir." Or "Sir, May I have your permission . . ." It is also used when answering an
officer's question or responding to an
order. "Yes, Sir." "No, Sir." "Aye aye, Sir." Or "The
report will be on your desk by 1800 hours, Sir.'
(FO 38-I) 2. only officers are addressed as "Sir.' And they are so addressed whether male o female.
(FO 87)