I doubt it. It's hard enough to travel between planets much less wage war. If the planets are not in the same system it's much more difficult. However, intraplanetary wars are likely for 1000 or so years.

__________________
For those inclined to oppose human meddling with the structure of the universe or the composition and configuration of objects and groups of objects within the universe, consider:
Whether there is a limit to the magnitude of a modulation of chaos below which order remains invariant? Or, is order but a fiction invented by perspectives applied over finite, however large, time intervals?