Defense technology startup Epirus has successfully raised $250 million in a Series D funding round aimed at developing advanced systems to counter drone swarms. The funding will enhance Epirus's Leonidas system, which utilizes high-power microwaves to neutralize drone threats. Co-founders Joe Lonsdale, John Tenet, Bo Marr, and Nathan Mintz are at the forefront of this initiative. This funding round underscores the growing investment interest in defense technologies, particularly those focused on counter-drone capabilities, amid increasing concerns over drone warfare.