A US Army brigade used hundreds of one-way attack drones in a recent wargame. Over half were homemade.

Source: Business Insider

The US Army, like other services, sees 3D printing as a quick solution to making spare drone parts and adapting drones to new mission requirements. US Army photo by Spc. Sandy Vera VazquezA US Army brigade brought a lot of 3D printed drones with them to a recent exercise.