For nearly forty years, the TWA Terminal at John F. Kennedy (JFK) International Airport (New York, NY, USA) welcomed visitors from around the world into its tubular corridors. Hailed--when the terminal opened in 1962--as a masterpiece of modern architecture, the terminal was recently renovated to serve as a gateway to the new US$473 million JetBlue Terminal 5, which houses the operations of JetBlue Airways. But not before undergoing significant updates that transformed this late-20th century icon of international jetsetting into a building capable of accommodating the comfort and security needs of post-9/11 travelers. This article profiles some of the TWA Terminal's focal changes, realized via a $19 million renovation implemented by a design team composed of Arup, Gensler, DMJM Harris/Aecom, and Turner Construction. It also describes some of the amenities available in the new JetBlue Terminal 5.