2. Did you identify an abundance of resources that will enable you you to achieve it within that time? Great!
3. Did you identify all the key behaviors that must be be completed to deliver that outcome? Great!
Sounds like you have an "unlocked strategy" and are ready for action.
There is now only one thing left to do...
Execute the behaviors on your strategy until your outcome is achieved.
That is it. Period.
One of the primary reasons people don't complete their strategy is that they have fallen into one of their habitual pitfalls, rather than doing the required actions. These are the areas where you " drift ."
There are certain behaviors that support effective leadership, falling into a pitfall is not one of them.