The article's examples use relatively expensive and human controlled quad-copters. They would be better off with a cardboard plank like the Corvo PPDS running a

The article's examples use relatively expensive and human controlled quad-copters. They would be better off with a cardboard plank like the Corvo PPDS running an ArduPilot waypoint mission: The Corvo Precision Payload Delivery System (PPDS) is a low cost, disposable UAS that is optimised for the covert delivery of small volume payloads. The PPDS is designed to be deployed into theatre in a flat pack configuration. https://corvouas.com.au/corvo-ppds/ https://corvouas.com.au/corvo-ppds/ https://en.wikipedia.org/wiki/Sypaq_Corvo_Precision_Payload_Delivery_System https://en.wikipedia.org/wiki/Sypaq_Corvo_Precision_Payload_... https://ardupilot.org/plane/docs/common-mission-planning.html https://ardupilot.org/plane/docs/common-mission-planning.htm...