For two decades, the United States has dominated the global arms trade, reaping a broad range of economic and geopolitical benefits in the process.

Washington must lead the way to a world without nuclear weapons, say Obama advisors. The first step will be dramatically limiting the U.S. nuclear arsenal's declared size and purpose.

José Gomez del Prado, chairman of a UN working group investigating security contractors, says Western firms are increasingly employing third country nationals to work in war zones.

Russia has suspended its participation in a treaty on conventional arms and voiced opposition to a missile shield in its backyard. Is a new era of mutual hostility in the making?

A critical examination of how the legacies of military control in Egypt, Algeria, and Turkey affect political development in these countries, highlighting the often-overlooked difficulties of promoting democratic change in military-dominated political systems.

The U.S. treasury chief and Federal Reserve chairman head to China in a new bid to cope with the huge U.S.-China trade imbalance. But Chinese military expansion also worries Washington.

China is transforming its People’s Liberation Army into a leaner, modernized force, raising U.S. concerns over Beijing’s long-term military goals.

China, whose relations with North Korea have grown strained in recent weeks, is putting pressure on Pyongyang to return to the Six-Party Talks.