How can you add Network* components at runtime?

I am trying to figure out how to dynamically add network components to game objects that are managed by the network.

I started unity about a month ago, and I started writing all sorts of components that I then wired together in the editor. I have now reached the point where I realize how cumbersome it is to manage a complex project that is built that way.

I am now going through and trying to create "controller" mono behaviors for all of my entities. The intent is that the controller will...

How can you add Network* components at runtime?