After five years, you'll be fully 'vested' in the company pension plan. [=you will have earned the right to get a full pension when you retire]
Congress is 'vested' with the power to declare war. = The power to declare war is 'vested' in Congress.
She has a 'vested interest' in seeing the business sold, as she'll make a profit from the sale.
(..) Heads down, stay down! It's ok. Stay down! I don't wanna die! Evacuate! Grab your life vests please Opening door. Confused screams.... Everyone, exits are usable. Move forward to your closest exit! Move forward. On the right there's an exit door. (..)2016 Sully