When an E-4 calls me "hey" or "hey man" knowing that I am an officer, should I bother to correct him?

I had an incident before I retired as I was walking back to division headquarters, two staff sergeants walked past me without saluting or even a greeting. As a CW4 and former drill instructor, that did not go over well. I spent about 15 minutes reminding and re-education them on the numerous regulations that they violated. I can almost guarantee that they will not soon repeat their mistake.

Should be called CPT Dick head! You sound like a total asshole.

Absolutely. Somewhere along the line (early on) someone (s) let that behavior slide. The troop then began to believe that conduct was acceptable. They need retraining in the rank structure, customs and courtesies, and general military discipline. If you let this go, the behavior will get worse. Concurrently, if you see NCOs and/or Officers allowing this behavior, correct them as well. When I first enlisted in the 80s we were taught “familiarity breeds contempt.” Correct it early.

When dealing with the public since retiring in '94, I joke with new people I meet that I probably won't remember their name next time I see them. After all, 20 years of reading some ones name on their uniform, which has their rank etc, makes it easy to know how to respond/greet them. I'll have repeat customers who I see, recognize, but can't remember their name. Seeing some one on a semi regular basis is not guarantee they remember who exactly you are. Correct the individual at the time of the interaction as to your identity, if you determine it was intentional disrespect, deal with it in a Command manner. IMHO

Absolutely, why down grade your self or them by not pulling them up

Get his NCO, while he gets his camel bak. We're doing some corrective training.

Absolutely you should correct them. I don't care if they are in my unit or somewhere else, if they are an officer then they deserve the respect that the rank gave them. And not all officers are alike, but none the less, I don't believe in disrespecting anyone that carries the rank of officer.

CPT Jeff R. You're kidding right? Unless you personally give him permission otherwise, Military protocol dictates. That's my opinion, I've not read anything that says otherwise.

CPT Jeff R. You're kidding, right? Unless you give him permission otherwise, Military protocol dictates.

this didn't happen in the Corps-it was attention on deck when they entered--I was instructed to call NCO's by their first name---cpl-sgt-etc etc