U.S. carries out counterterrorism strike in Somalia

After reports of a drone attack, the Pentagon issued a rare acknowledgment of the operation.

    Pentagon set to open second drone base in Niger

    Pentagon set to open second drone base in Niger

    The expansion highlights the growing U.S. counterterrorism cooperation in the region with France.

    Fine Print: Obama’s strategy includes unity first

    Fine Print: Obama’s strategy includes unity first

    Alliances are key to any U.S. strategy for defeating the Islamic State and its radical extremism.

    Did Iran just mock the U.S. Coast Guard?

    Did Iran just mock the U.S. Coast Guard?

    “Americans feared and felt danger from a fishing dhow,” said an Iranian Navy admiral.

    Retiring SOCOM chief: ‘We are in the golden age of Special Operations’

    Adm. William McRaven will retire after leading U.S. Special Operations Command for three years.

    Obama on the Islamic State: ‘We don’t have a strategy yet’

    Obama on the Islamic State: ‘We don’t have a strategy yet’

    He’s asked the Pentagon to prepare options while he recruits countries to help respond to the extremist group.

    Islamic State waterboarded Foley and others

    Islamic State waterboarded Foley and others

    At least four hostages held by the militants, including the U.S. journalist who was executed, were allegedly waterboarded early in their captivity.

    Poor data leads to poor background checks

    Poor data leads to poor background checks

    A system to keep guns from the mentally ill doesn’t always get the information it needs

    NSA Secrets

    FILE - This June 6, 213 file photo shows the sign outside the National Security Agency (NSA) campus in Fort Meade, Md. The NSA has broken privacy rules or overstepped its legal authority thousands of times each year since Congress granted the intelligence agency broad new powers in 2008, The Washington Post reports. In one case, telephone calls from Washington were intercepted when the city's area code was confused with the dialing code for Egypt.  (AP Photo/Patrick Semansky, File)

    Revelations and reaction

    The National Security Agency has been forced to respond to unprecedented disclosures about its surveillance programs. Those programs have been assailed as a violation of privacy rights by critics and defended as critical to U.S. national security by intelligence officials. Explore our coverage.

    Video: Militants appear to fire U.S.-made M198artillery

    Video: Militants appear to fire U.S.-made M198artillery

    The cannon in the video can fire GPS-guided rounds at least 14 miles, giving the militants a tremendous capability they once didn’t have.

    General forced to retire for mishandling sexual-misconduct complaints

    General forced to retire for mishandling sexual-misconduct complaints

    Maj. Gen. Michael T. Harrison Sr., a former commander of Army forces in Japan, will have to retire as a brigadier general, effectively a demotion that will cost him pension benefits.

    A brief history of F-15 fighter crashes

    A brief history of F-15 fighter crashes

    The F-15 is generally considered to be one of the Air Force’s most reliable jets. But it has had issues.

    U.S. releases two Yemenis from prison in Afghanistan

    Number of non-Afghan detainees in U.S. custody in Afghanistan has fallen below 30.