As many of us know, three letter codes are assigned to airports. So, for instance, New York LaGuardia Airport's designation is LGA. Sioux City Gateway Airport's three letter code? SUX. Ha. Ha. Sioux City's airport has embraced their inner sophomoric humor and embraced this by selling hats and t-shirts that say "Fly SUX" as well as a Bi-SUX-ual mug.
