Directed-energy weapon (DEW) full documentary
Potential applications of this technology include anti-personnel weapon systems, potential missile defense system, and the disabling of lightly armored vehicles such as cars, drones, watercraft, and electronic devices such as mobile phones. The energy can come in various forms: Electromagnetic radiation, including radio frequency, microwave, lasers and masers Particles with mass, in particle-beam weapons Sound, in sonic weapons The Pentagon is researching technologies like directed-energy weapon and railguns to counter maturing threats posed by missile and hypersonic glide vehicles. These systems of missile defense are expected to come online in the mid to late-2020s.
https://www.youtube.com/watch?v=oRZpqPZm7Q4