跨多个视图共享导航栏的最佳方式？

I have three view controllers that I want to have the same navigation bar on but I can't figure out a way to "share" the navbar between those three views. Is there a more efficient way to link up the nav controllers with the view controllers so that I don't have three different navigation controllers even though the navigation controllers are exactly the same? I have three view controllers that I want to ha