UAV	Unmanned Aerial Vehicle
AI	Artificial Intelligence
DRL	Deep Reinforcement Learning
RL	Reinforcement Learning
TL	Transfer Learning
NED	North East Down
BVLOS	Beyond Visual Line of Sight
DDQN	Double Deep Q-network
PER	Prioritized Experience Replay
DQfD	Deep Q-learning from Demonstrations
CNN	Convolutional Neural Network
TD	Temporal Difference
API	Application Programming Interface