TRAVIS AIR FORCE BASE, Calif. — On Saturday (June 30), visitors to The Museum of Flight in Seattle will get an up-close look at a very unusual NASA aircraft. In fact, it’s not uncommon for air traffic controllers and even fellow pilots who spot the "Super Guppy" to ask a simple but telling question: “What are you?”

Go here to read the rest:

NASA’s Flying Fish: Riding Aboard the Super Guppy Aircraft