Enterprise (test orbiter)

Target entity: Enterprise (test orbiter)
Context triple: [Columbia, precededBy, Enterprise (test orbiter)]

• A. Orbital Test Vehicle
  The Orbital Test Vehicle is an unmanned, reusable spaceplane developed for the U.S. Air Force and Space Force to conduct long-duration, classified orbital missions and technology demonstrations.
• B. Orb-1
  Orb-1 was the first operational cargo resupply mission flown by Orbital Sciences’ Cygnus spacecraft to the International Space Station under NASA’s Commercial Resupply Services program.
• C. Orion spacecraft
  The Orion spacecraft is NASA’s next-generation crewed space vehicle designed to carry astronauts beyond low Earth orbit on deep-space missions, including journeys to the Moon and eventually Mars.
• D. Project Orbiter
  Project Orbiter was an early U.S. Army–Navy proposal to launch the first American artificial satellite, whose cancellation led to the later Vanguard program.
• E. Cygnus spacecraft
  The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Enterprise (test orbiter)
Target entity description: Enterprise (test orbiter) was NASA’s first Space Shuttle orbiter, built as a prototype for approach and landing tests and never flown in space.

• A. Orbital Test Vehicle
  The Orbital Test Vehicle is an unmanned, reusable spaceplane developed for the U.S. Air Force and Space Force to conduct long-duration, classified orbital missions and technology demonstrations.
• B. Orb-1
  Orb-1 was the first operational cargo resupply mission flown by Orbital Sciences’ Cygnus spacecraft to the International Space Station under NASA’s Commercial Resupply Services program.
• C. Orion spacecraft
  The Orion spacecraft is NASA’s next-generation crewed space vehicle designed to carry astronauts beyond low Earth orbit on deep-space missions, including journeys to the Moon and eventually Mars.
• D. Project Orbiter
  Project Orbiter was an early U.S. Army–Navy proposal to launch the first American artificial satellite, whose cancellation led to the later Vanguard program.
• E. Cygnus spacecraft
  The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
• F. None of above. chosen