The Allied victory over Iraq showed showcased a new generation of weapons and tactics, but evolving threats--particularly from weapons of mass destruction--require a new approach to deterrence.
From Israel's continual battles to defend itself to inter-Arab squabbles and the role of oil, trace the many conflicts that have shaken this tumultuous region.
It was a war that proved that might and money do not lead inevitably to victory, and its harsh lessons forced America to rethink its role in the world.
The perennial problems of civil war, terrorism and bilateral wars have taken on a new urgency in the years since the end of the Cold War, and the international community is struggling to deal with them.
From the withdrawal of the old Colonial powers to the conflict in Korea, instability, regional conflicts and the boiling over of Cold War tensions marked much of the 20th century in Asia.
Fly in a B-17 on a harrowing daylight bombing raid, see how British aviators staved off the Luftwaffe, and watch as carrier-based fighters battle Zeros in the skies over Midway.
This sweeping overview of World War II's naval engagements includes footage from Atlantic convoys, major Pacific battles and the amphibious landing at Normandy.
The American island-hopping campaign drove the Japanese from their Pacific strongholds, but it would take a weapon of a different order bring the war to an end.
In and around the Mediterranean, Monty battled Rommel, American doughboys got their first real combat experience, and the Italian campaign gave the Allies a foothold in Europe.
The extraordinary heroism demonstrated by British citizens and soldiers and a vital lifeline from across the Atlantic kept England from falling into Nazi clutches.
Germany's invasion of Poland introduced the world to a new brand of warfare. Less than a year later, the fall of France left Britain to face Hitler essentially alone.
The entry of the United States helped bring World War I to a close, but the harsh conditions of the Versailles Treaty paved the way for a greater conflict to come.