itch - v. to have or produce an unpleasant feeling on your skin or inside your mouth, nose, etc. that makes you want to scratch
wing - n. a part of an animal's body that is used for flying or gliding
calculate - v. to find a number or answer by using mathematical processes
3D - adj. made in a way that causes an image to appear to be three-dimensional
coordinate - n. one of a set of numbers that is used to locate a point on a map or graph
reverse - v. to change to an opposite direction or state
unmanned - adj. not carrying a person
drone - n. a kind of aircraft that does not carry a pilot or passengers
advantageous - adj. helpful or favorable