“…With hands held overhead, the Marine waits for the grenade to spin up, and then releases it into the air. With a drone and its four rotors attached to the top of its body, the grenade takes off, a gentle flight for the typically hand-tossed munition. Later in those same exercises, the grenade, still unexploded in this exercise, flies back for a landing, and the Marine catches it by a tether. This scene took place July 7 at Camp Lejeune, North Carolina, as part of a training exercise. The flying grenade is a Drone 40 modular quadcopter from Australian manufacturer DefendTex. It can be either a scout or a loitering grenade…”