What is life in the U.S. Navy JAG Corps like (Please read details)?

For example, are members of the U.S. Navy JAG Corps Naval Officers before lawyers? Are they stationed aboard naval vessels? Can they be permanently stationed aboard naval vessels or at a shore installation? Do they participate in naval operations? Can they earn the Surface Warfare Officer qualification? Are they given command over other Officers or enlisted personnel? Are they treated as any other Naval Officer? Is there a way to join the U.S. Navy JAG Corps after attending the U.S. Naval Academy?