The Super Guppy
FWIW, the pic you posted was of the Airbus A300-600ST 'Beluga', not a Super Guppy.
"The A300-600ST was built in Toulouse, France. The first Super Transporter or Beluga, was rolled out on June 1994, with a maiden flight on September 13, 1994. The A300-600ST was certified in October 1995, after 335 test hours and went into service in January 1996. The second Beluga first flew on March 26, 1996 and the third on April 21 1997. The Belugas took over the complete ferrying operations for Airbus major assemblies in October 1996."
Try All About Guppys for lots more pics & dope including the Super Guppy page link on the left.
"The Super Guppy is seen here on it's initial test flight on August 31, 1965 taking off from Van Nuys Airport, California. Notice the contrails coming off the propeller tips due to the humidity in the air."