Drawing on his extensive experiences as commander of the U.S. Army’s 3rd Armored Cavalry Regiment in Iraq, Brigadier General H. R. McMaster discussed the challenges of command in counterinsurgency operations.

In their series of incisive essays, renowned defense scholars Thomas Donnelly and Frederick W. Kagan, together with a group of leading U.S. military officials and national security experts, identify the tools necessary to succeed on the uncharted battlefields of the Long War.

Does President Obama have a counterinsurgency strategy for Afghanistan?

Five years ago, a Hezbollah ambush set off the 34-day conflict that has loomed large over the region ever since. The five-year anniversary provides an opportunity to reexamine the conflict, and what others may learn from it, including American officials.

Great commanders usually come in pairs; in the case of Iraq, Generals David Petraeus and Raymond Odierno can now be added to the list.

There are stillchallenges in Iraq, but we are winning, and we have an excellent opportunity to achieve the objectives that we set for ourselves.

In the "graveyard of empires," we are fighting a war we can win.