The first shots were on a digital battlefield--an app called Signal, used by teenagers and adults to privately communicate ...

Seven months after their combat debut in August, Ukraine’s Lockheed Martin F-16 fighters are flying sorties every ...

The legal doctrine has its roots in a contract between President Abraham Lincoln and a spy for the Union during the Civil War ...

Boeing Co. and Lockheed Martin Corp.’s Vulcan rocket has been certified to launch national security satellites for the US ...

Speaking to reporters from the Oval Office, the president focused on the successful U.S. airstrikes in Yemen more than the ...

Neutral” China is a big source of high-tech weapons-making equipment used by Russia, but Kyiv’s spy agency says Germany, Austria, Italy, Taiwan and the US are helping the Kremlin as well.

The WC-135R atmospheric collection aircraft fleet routinely conducts air-sampling missions globally, including over the Far ...

The U.S. Air Force’s 14th Civil Engineer Squadron, Fire and Emergency Services Flight has introduced a remote-controlled ...

Two Chinese fighter prototypes were seen flying for the first time on Boxing Day, including the J-36, that has been spotted ...

Federal government officials are sounding the alarm as drone incursions over sensitive military bases become more frequent ...