Question: Where is the company headquarters of the airline whose call sign was named after a former U.S. Air Mail pilot?
Sentence (from "Charles Lindbergh"): Charles Augustus Lindbergh (February 4, 1902 – August 26, 1974), nicknamed Slim, Lucky Lindy, and The Lone Eagle, was an American aviator, military officer, author, inventor, explorer, and environmental activist.
Relevant evidence: Yes