Many travellers who have had the opportunity to land at Incheon International Airport, no matter the airline they arrive in, can recall the sea of light blue aircrafts sporting a Pepsi-esque logo parked at the airport’s second terminal. It’s an image highly symbolic to the South Korean identity, and an iconic, fan-favourite presence within the aviation industry. But all of this is set to change soon — Korean Air unveiled a major rebrand to its brand identity at an…