Background – War on Terror – The military historian Sir Michael Howard on the road the US should take in the war on terror.

• Naval War College Review: 9/11 and After

Background – Information Warfare – A detailed look at the newest revision of the RC-135 Rivet Joint aircraft, which is responsible for helping to compress the sensor-shooter loop significantly.

• Aviation Week: Storied Rivet Joint Adds New Missions

Background – Iraq – James F. Dunnigan reviews the last invasion of Iraq, in 1941, by the British.

• StrategyPage: The Last Time (1941) Iraq Was Invaded