Unmanned aerial vehicle and landing system

[0000] Systems, devices and methods related to unmanned aerial vehicles and landing systems are described herein. One example disclosed unmanned aerial vehicle comprises a vehicle body comprising an airfoil shape, a plurality of rotors, a payload void within the airfoil shape profile, and a rotatable payload bay disposed within the payload void. A payload delivery system is also described. The payload delivery system comprises a payload void, a payload bay, at least one actuator operative to rotate the payload bay with respect to the payload void, and a payload controller operative to eject a payload from the payload bay. Several landing systems and devices for unmanned vehicles are also described. One example landing device comprises a frame comprising a rear surface operative to attach the frame to a vertical glass surface and an aircraft support element operative to receive and support an unmanned aerial vehicle.