Greg Gayden has over 20 years of experience in the aviation security field, working with the various rules and regulations that are in place to ensure the integrity of the commerci...view moreGreg Gayden has over 20 years of experience in the aviation security field, working with the various rules and regulations that are in place to ensure the integrity of the commercial aviation system. He has visited over 150 airports in more than 30 countries in this endeavor. Gayden also operates a website devoted to commercial aviation, airplane spotting, and photography.view less