Several airports in the United States are already named for former Presidents and other prominent politicians:

ANC - Senator Ted Stevens
DCA - Washington, DC. - President Ronald Reagan Airport
HOU - William P. Hobby Airport
IAD - Washington Dulles Airport - Secretary of State John Foster Dulles
IAH - Bush Intercontinental Airport - President George H.W. Bush
JFK - President John F. Kennedy
LGA - NY LaGuardia Airport - Mayor La Guardia
GRR - President Ford
ATL - Mayor Hartsfield and Mayor Jackson
CLT - Mayor Douglas
DAY - Gov. Cox of Ohio
SPI -  Abraham Lincoln Capital Airport - Springfield, IL - President Abraham Lincoln
JST - John Murtha Airport - Johnstown, PA  - Representative John Murtha
LAS - Las Vegas McCarran Airport - Senator Pat McCarran