LIFE photo, source Google/Life 2008 (Free). Wikipedia: "SA-500F (alternately SA500F, 500F, or Facilities Integration Vehicle) was a dummy Saturn V used by NASA to test facilities at Launch Complex 39 at the Kennedy Space Center on Merritt Island, Florida during 1966.[1] Tests included the mating of the Saturn's stages in the Vehicle Assembly Building (VAB), the fit of the service platforms, the launcher-transporter operation, the propellant loading system, and the test connections to the…