Compared to the Viking, the Wraith is more expensive, slower to build and has much lower air-to-air range, but has the advantages of cloaking, higher speed, and being able to attack ground targets from the air. The damage output of their missiles is a trade-off - the Viking's missiles do more damage (10 +4 versus the wraith's 5 +5), but the Wraith attacks faster. The Viking also has the advantage of not requiring a tech lab, though this is circumvented if the player gets