Petraeus takes control of Central Command amid planned reductions in U.S. troop levels in Iraq and a rise in Taliban attacks on coalition troops and government targets in Afghanistan.

CNN: Petraeus takes helm of U.S. Central Command

Quick Command is another new feature that takes advantage of the S Pen's gesture prowess.

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This fall, he takes over as chief of U.S. Central Command, where he will turn his attention to military operations in other parts of the region, including Afghanistan.

NPR: Petraeus: 'Long, Hard Slog' In Iraq

And Italy has warned that it will review the use of its bases by coalition forces unless Nato takes command.

BBC: Libya military operation: Who should command?

In this one, we have a lot of different Cabinet departments with roles and responsibilities and missions required to conduct out there, and the real goal, in this type of environment, in any incident that takes place outside DOD, is unity of effort, not unity of command.

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Playing fast moving games over an internet connection poses a number of technical challenges, including latency - the time the remote system takes to execute a command.

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