Pros
I love the Navy, the experience I gained during my service is incomparable. The leave policy is amazing, 30 days per year, and your days don't expire as long as you're under 60 days (the instruction has changed a couple of times). Also, one of my favorite things is everything is in an instruction so you know where your boundaries are at all times and you can't get in trouble for random things.
Cons
Your evaluations and awards are influenced by how liked you are. The intention is to be impartial, but I have never seen an eval or awards board not influenced by how someone feels about that person. If you know how to "play the game" then you'll be great, but if you're more focused on doing your job and taking care of your Sailors then you may struggle.