After Government Accountability Office audits found that inspections were lacking, the Marine Corps is reinforcing its rules around ammo and firearm security.

Ukraine's defense industry has grown substantially, but it's yet to reach its potential. Exports could clear the way.

Defense startup Castelion said on Friday it has won contracts to integrate its Blackbeard hypersonic strike weapon with current U.S. Army systems, the first step toward allowing the military to place the powerful and nearly unstoppable weapons around the world.

Defense startup Castelion secures military contracts to integrate affordable hypersonic Blackbeard weapons with U.S. Army and Navy platforms for live-fire testing.

President Donald Trump on Thursday vowed to begin testing US nuclear weapons “on an equal basis” with Russia and China, heralding a potentially major shift in decades of US policy at a time of growing tensions between the world’s nuclear-armed superpowers.

WASHINGTON (Reuters) -Testing the U.S. nuclear arsenal is important to ensuring national security, Vice President JD Vance said on Thursday after President Donald Trump ordered the U.S. military to resume testing nuclear weapons after a gap of 33 years.