Defense company RTX is working with fusion energy startup Xcimer, using technology that harks back to the Cold War era.

The source asks whether Laser Fusion Tech could be used to shoot down missiles and drones. The proposed application would draw on laser-fusion technology while considering its potential role in missile and drone defense.

RTX and Xcimer are exploring the technology, but the source provides no further details about testing, deployment, capabilities, costs, or timelines.