What would you do if you had a junior Sailor that will not adhere to simple regulations and "forgets" to do what he is told?

Make that Sailor swab the decks.

They would be sailing land after awhile form their couch

Give him extra crap jobs and let your Chain of Command know what's going on.

There is no excuse for "forgetting" to do what you're told. That is a skill you learn within the first 10 minutes of boot camp and is continuously reinforced throughout the 8 week evolution. If a sailor doesn't understand something, or even attempts to accomplish a task without asking for help and can't, I will provide ample opportunities to demonstrate, guide, and enable them to handle the work. If I see they've been trained properly and are just refusing to do it or on purposely messing up in order to get out of a task or get overlooked, there will be many many counseling chits to document the whole process.

1. "Back in the old navy": Mr Boot, meet Mr A$$.
2. Today's reality: EMI, EMI, EMI. Give him a trophy. If that doesn't work, see #1 above.

Attitude adjustment

I know if he was one of my Junior Soldiers, he would have a battle buddy that tagged along with him everywhere. He would also carry a notebook and write every single order given to him by a superior in it. We cant "smoke" joes anymore, all we can do is take their time and counsel them.

I won't give any details of the person or things he did but you have to go through the steps. Make every effort to get the guy/girl to fix themselves. Verbal counseling, counseling chits, DRB, LOI, mast and if all else fails administrative separation. Some people just don't want to do their job because they expected different things when they signed up.

Sounds like the sea water induction valves are nasty and needs to be cleaned. I loved that one on the USS Bonhomme Richard (LHD 6). Worked wonders for discipline.

Place him/her on mail buoy watch.lol No, give that sailor the dirtiest jobs and not hit the rack until a job is competed. Then, "pink belly"lol