"Don't you normally salute officers?". A response of "Sorry, sir" didn't help...
I always used to call WRAF Officers 'Miss'. Not out of any sense of mischief, it just came out that way followed by a hasty 'Sorry I meant Ma'am Ma'am'. My cuz became a WRAF Officer when I was still in, she had been a cute little bridesmaid at my wedding and had always been a little princess. Couldn't wait to call her 'Ma'am' to see what she said...And no I'm not telling you...