3 adjectives to describe vantage

The Colonel, finding time hanging heavily on his hands, devotes this period to filling his pipe from a borrowed pouch; he then tramps determinedly back to the table and is about to pocket the red from a point of considerable vantage, when the Adjutant deferentially suggests that he is about to play with the wrong ball.

From a secure vantage in a sea-coast town Lance challenged a trial by his peers, and, as an already prejudged man escaping from his executioners, obtained a change of venue.

Expansion gives the ruling oligarchy of the expanding nation, empire or civilization command of the strategic vantage points from which the principle of exploitation can be made continuously operative.

3 adjectives to describe  vantage