Chantilly VA – Steven F. Udvar-Hazy Center – Space Shuttle Enterprise OV-101 05 by Daniel Mennerich:The Space Shuttle Enterprise (NASA Orbiter Vehicle Designation: OV-101) was the first Space Shuttle orbiter. It was built for NASA as part of the Space Shuttle program to perform test flights in the atmosphere. It was constructed without engines or a functional heat shield, and was therefore not capable of spaceflight. On September 17, 1976 the first full scale prototype was completed.