The term 'Detection from the Air' can be summarized as the process of detecting scents from the air. This is a form of detection that is used in many different fields, such as law enforcement, environmental monitoring, and medical diagnosis. It involves using specialized equipment to detect and analyze airborne particles, which can then be used to identify certain smells or other substances. This type of detection is often used to detect hazardous materials, explosives, and other dangerous substances.