Laser and microwave weapons are considered critical elements of layered defense, or having different countermeasures ready to thwart different threats.
A growing flow of Western weapons is now playing a key role in the counteroffensive, helping Ukraine significantly boost its precision strike capability.
To help the U.S. better compete with China, a group of former national security officials is asking lawmakers to exempt immigrants with advanced science, technology, engineering and math degrees from green card caps.
The top five teams were from U.S. Army Special Operations Command, France, 20th Special Forces Group, Marine Corps Special Operations Command and Germany.