May 3 (Asia Today) -- Japan is accelerating deployment of low-cost "cardboard drones," signaling a shift in modern warfare from technological sophistication to cost efficiency and mass deployment. The drones, developed by Japanese defense startup AirKamuy and supplied to the defense ministry, are designed with reinforced cardboard structures that reduce radar detection while dramatically lowering production costs. The model, known as the "AirKamuy 150," represents what analysts describe as a "