Orion program

Target entity: Orion program
Context triple: [Constellation program, successorProgram, Orion program]

• A. Gemini program
  The Gemini program was NASA’s second human spaceflight project in the 1960s, designed to develop critical space travel techniques such as orbital rendezvous, docking, and long-duration missions that paved the way for the Apollo Moon landings.
• B. Constellation program
  The Constellation program was a canceled NASA human spaceflight initiative intended to develop new rockets and spacecraft for returning astronauts to the Moon and eventually traveling to Mars.
• C. Apollo program
  The Apollo program was NASA’s landmark human spaceflight initiative that successfully landed astronauts on the Moon and returned them safely to Earth during the 1960s and early 1970s.
• D. Mercury program
  The Mercury program was the United States' first human spaceflight initiative, designed to send American astronauts into space and orbit Earth during the early 1960s.
• E. Mariner program
  The Mariner program was a series of NASA robotic space missions in the 1960s and 1970s that conducted the first successful flybys and close-up studies of Venus, Mars, and Mercury.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Orion program
Target entity description: The Orion program is NASA’s crewed spacecraft initiative designed to carry astronauts beyond low Earth orbit to destinations such as the Moon and eventually Mars.

• A. Gemini program
  The Gemini program was NASA’s second human spaceflight project in the 1960s, designed to develop critical space travel techniques such as orbital rendezvous, docking, and long-duration missions that paved the way for the Apollo Moon landings.
• B. Constellation program
  The Constellation program was a canceled NASA human spaceflight initiative intended to develop new rockets and spacecraft for returning astronauts to the Moon and eventually traveling to Mars.
• C. Apollo program
  The Apollo program was NASA’s landmark human spaceflight initiative that successfully landed astronauts on the Moon and returned them safely to Earth during the 1960s and early 1970s.
• D. Mercury program
  The Mercury program was the United States' first human spaceflight initiative, designed to send American astronauts into space and orbit Earth during the early 1960s.
• E. Mariner program
  The Mariner program was a series of NASA robotic space missions in the 1960s and 1970s that conducted the first successful flybys and close-up studies of Venus, Mars, and Mercury.
• F. None of above. chosen