Systems and Physics Overview (Rotorcraft)

https://www.youtube.com/watch?v=N_XneaFmOmU

Basics of Flying a Multirotor Drone

https://www.youtube.com/watch?v=1tnc0Vx3sXU&t=2s

How the Civil Air Patrol is Using Drones

https://www.youtube.com/watch?v=JNQ512dfTMs