Lasers, interceptor missiles and electronic warfare are all fast-growing potential answers to a seemingly unstoppable increase in enemy drone attack technologies. Given the rapid pace of technological advancement, and the seemingly ubiquitous availability of drone technologies, the U.S. military is moving as quickly as it can to keep pace — and stay in front of possible drone swarm attacks, close in drone-fired weapons and even instances wherein drones themselves become explosives.
Many Pentagon and U.S. Army medium, large and longer-range drone countermeasures have reached substantial levels of maturity, yet smaller vehicle attack drones, described as Group 1 to Group 3, present unique and still somewhat unresolved challenges. Drone swarms, for instance – such as commercially-available quadcopters – can be flown in groups to overwhelm radar systems, blanket areas with ISR or even themselves function as mini attack explosives or airborne IEDs.
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Source: National Interest