Reports of Predator drones' data losses in Iraq and Afghanistan should serve as a call to action to upgrade U.S. cybersecurity capabilities, says analyst James Lewis.

Listen as Ashton B. Carter, undersecretary of defense for acquisition, technology, and logistics, outlines the Obama administration’s assessment of defense resources and priorities, and DOD’s shifting relationships with Capitol Hill and the business community.

U.S. missile defense in the twenty-first century is focused on emerging threats from North Korea and Iran, but critics say these systems are too costly and largely unproven.

The threat of nuclear armageddon is overblown.

Newsweek International Assistant Managing Editor Fred Guterl reports on four battle cruisers in the Sea of Japan--two American, two Japanese--that carry missiles capable of reaching North Korean nuclear-tipped rockets on their way to Japan. The U.S. Navy has seventy-three Aegis ships. As the Obama administration shows signs of backing away from plans to put missile defenses in Poland and the Czech Republic, this fleet of "Aegis" cruisers, as they're called, may be called upon to take up the slack.

Graham Allison, author and director of the Belfer Center at Harvard University, writes that the only thing that can keep nuclear bombs out of the hands of terrorists is a brand-new science of nuclear forensics. Developing this science, he says, entails working backward from a terrorist event to trace the path of the material to its source.

Dinshaw Mistry and Charles D. Ferguson urge Europe and the United States not to rush decisions on deploying a missile defense system in Europe.

A combination of intellectual rigor, technical sophistication, hard work, and intelligence gathering brought China into the world's nuclear club in record-shattering time.

With the help of U.S. defense contractors, China is building the prototype for a high-tech police state. It is ready for export.

The U.S. Air Force is standing up a dedicated command to coordinate offensive and defensive cyber strategy within the Pentagon.

Wired's Joshua Davis reports on a rogue computer network that crashed Estonia's Internet, launching what he calls Web War I.

Michael A. Levi argues that “too many scientists today wrongly assume that a lack of information is the biggest barrier facing terrorists or countries that might build nuclear bombs, and they overstate the risks involved in sharing information as a result.”

The head of an independent commission investigating U.S. Army contracting practices tells CFR.org that inexperience, overwork, and neglect are creating opportunities for massive fraud.

While the American public focuses on bringing U.S. forces home from Iraq and Afghanistan, defense planners in Washington consider what to do with them when they get back.

Dennis Treece, Massachusetts Port Authority's director of coprporate security, discusses his efforts to harness technological innovation help improve security at air and sea ports.

Ambassador John M. Yates, U.S. special envoy to Somalia, says the security situation remains dismal in Mogadishu and the Somali people lack confidence in the Transitional Federal Government.

The Democratic-led Congress entered the summer recess aiming to force Republicans into accepting a withdrawal timetable from Iraq. But military gains may be prompting a strategy shift. 

The Bush administration wants to replace aging strategic nuclear warheads with a new, more reliable generation. Others see more pressing priorities for U.S. defense dollars.

The Congressional Research Service examines issues surrounding the current deployment of U.S. nuclear warheads.