Advice for a new Soldier going to his first unit?

To be honest with you, if you are wanting to make a positive impression on the leadership, keep your nose clean, don't be "that guy" who has to be picked up on the weekends at the MP station all the time. Don't act like you know it all, even as a SFC, I don't know it all, be willing to look up the answers, or ask your supervisors where you can find it, don't have them feed you the answers. This shows that you have the initiative to learn. Talk to your Section Chiefs and ask them their honest opinion on the assignment, and how they would make it different, and try and implement it. Learn your job one up, meaning learn your NCO's job as much as you can. Some NCO's don't like to teach their Soldiers everything they know, because they don't want to be "one upped", but when they want to go on leave, and cant, because no one else can do it, it comes back to bite them. Don't hang with the wrong crowd, look around, and see who does what, or who says everything negative about everything.. That's just the first day.. lol, no seriously, take what you want and run with it.. I am sure you will do fine. And good luck.