A new research paper from George Mason University suggests fears and assumptions of a shrinking and overly concentrated defense industrial base are overblown.

The U.S. aid amounts to Ukraine have dwindled in comparison to earlier batches as the Defense Department awaits a supplemental funding package from Congress.

The Indonesian Air Force says four people died when two of its Embraer A-29 Super Tucano counterinsurgency aircraft crashed into a mountainside.

The resumption of military-to-military talks between the U.S. and China will start with theater commanders.

Catherine Koerner will succeed Jim Free as associate administrator of the Exploration Systems Development Mission Directorate, it has been announced.

The Raytheon SM-6s will be fitted onto the new South Korean Navy KDX Batch II destroyers, the first of which—christened Jeongjo the Great—has begun sea trials.

A White House official says U.S. space regulations—developed decades ago—were crafted when commercial space capabilities were limited.

The decision to select the E-7 has been made by a consortium of nations including Belgium, Germany, Luxembourg, the Netherlands, Norway, Romania and the U.S.