Drones are often considered among the most modern elements of warfare, and their use doesn't regularly feature in stories of the Vietnam War. But as David Axe tells us in this episode, the US use of drones was in its infancy during the 1960s and '70s. Having compiled military records, official histories and published first-hand accounts from early drone operators, David shares the revolutionary, and top secret, use of drones in the Vietnam War. David is an American military correspondent, his book is Drone War Vietnam: https://www.pen-and-sword.co.uk/Drone-War-Vietnam-Hardback/p/19099.