Weapon systems research is not easily available, but there are a number of links online if you know exactly what to search to find. Weapons always carry a deadly tone, but when you combine weapons with AI and other advanced technologies, we see the means of our own destruction.
Bottom Line: Recent weapons development has reignited an arms race and the weapons are terrifying in nature and prophetic in application.
Watch DARPA test out a swarm of drones
Early stage - unclassified release - Imagine 1,000 or more
US Navy Zumwalt Destroyer with Electromagnetic Rail Gun
Deployed to 7th Fleet Pacific
DoD Tests Hypersonic Missile at Mach 5 Speeds
Not Yet Deployed
US Deploys CHAMP High Speed Electromagnetic EMP
20 Missiles Deployed with North Korea as Potential Target