The term 'Heads for the Stratosphere' can be summarized by the crossword solution 'SOARS, ' which is a five-letter word meaning to fly or glide through the air. This phrase is often used to describe an object, such as an airplane, that is flying at a very high altitude, usually in the stratosphere. The stratosphere is the second layer of Earth's atmosphere and is located between 6 and 30 miles above the surface.