Louisville Muhammad Ali International Airport (IATA: SDF), originally Standiford Field, is the primary commercial and cargo airport serving the Louisville metropolitan area in Kentucky.  Named in 2019 to honor native son and boxing legend Muhammad Ali, it operates under the Louisville Regional Airport Authority.

Calhoun is performing an architectural face lift to the concourse as well as MEP improvements.  In summary, the concourse improvement phase is designed to offer a more enjoyable and efficient airport experience post-security—with smarter design, passenger amenities, and sustainable systems at the heart of improvements.