Australia's defense department is also partnering with the U.S. National Reconnaissance Office on "cooperative satellite activities."

The U.S. State Department has approved the sale of a Lockheed Martin Ballistic Missile Defense (BMD) Radar and associated command and control systems to the UK. 

Russian forces claim to have used the Kinzhal hypersonic missile operationally for the first time. 

The debris of a U.S. Marine Corps MV-22 Osprey that crashed was spotted late March 18 by a Norwegian rescue team south of the northern city of Bodo.

The U.S. Air Force needs to update its operating locations around the globe to be able to surge and operate combat aircraft under duress. So the service is starting an in-depth review of how this will happen, and it might not be easy. Or cheap.

Slovakia is willing to give its S-300 air defense systems to Ukraine, provided it can get replacements to avoid a “security gap,” the country’s defense minister says.

The U.S. is dramatically ramping up its military assistance to Ukraine after the country’s president made an emotional appeal to Congress, with the new package including unmanned aircraft for the first time and increased discussions with allies to send Russian-made air defense systems.

NATO will further beef up defenses on its Eastern front, with “substantial increases” in troop numbers, air power and air and missile defenses planned in response to Russia’s invasion of Ukraine, the alliance’s chief says.