Airmen across the continent can now spend their downtime fragging online enemies. Microsoft's Xbox Live online gaming service has just acquired a customer that knows something about strategy and tactics--the US Department of Defense. The US Air Forces in Europe (USAFE) have paid $200,000 to outfit 14 bases around the continent with 17 Xbox Live gaming centers, as a way of giving young airmen in the region something to do in their downtime, according to the official US military publication Stars and Stripes. When off duty, they will be able to hone their military skills with such multiplayer games as...