Aerojet LR-87

Target entity: Aerojet LR-87
Context triple: [Titan IIIA, firstStageEngineType, Aerojet LR-87]

• A. Aerojet LR-91
  The Aerojet LR-91 is a liquid-fueled rocket engine developed in the United States and best known for powering the upper stages of Titan family launch vehicles during the early space and missile era.
• B. Aerojet AJ10 engine family
  The Aerojet AJ10 engine family is a long-serving series of hypergolic liquid-fuel rocket engines used on numerous U.S. spacecraft for orbital maneuvering and spacecraft propulsion, including early crewed and uncrewed missions.
• C. Curtiss-Wright XLR25 rocket engine
  The Curtiss-Wright XLR25 was an American liquid-fueled rocket engine developed in the 1950s to power high-speed experimental research aircraft such as the Bell X-2.
• D. Rocketdyne A-7
  The Rocketdyne A-7 was a liquid-fueled rocket engine developed in the 1950s that powered early U.S. Redstone-based launch vehicles used in missile tests and pioneering space missions.
• E. Walter rocket engine
  The Walter rocket engine was a German World War II-era liquid-fuel rocket propulsion system, best known for powering the Messerschmitt Me 163 Komet interceptor and pioneering high-thrust, short-duration flight technology.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Aerojet LR-87
Target entity description: The Aerojet LR-87 is a powerful American liquid-fuel rocket engine, used in various configurations to power early Titan launch vehicles during the Cold War era.

• A. Aerojet LR-91
  The Aerojet LR-91 is a liquid-fueled rocket engine developed in the United States and best known for powering the upper stages of Titan family launch vehicles during the early space and missile era.
• B. Aerojet AJ10 engine family
  The Aerojet AJ10 engine family is a long-serving series of hypergolic liquid-fuel rocket engines used on numerous U.S. spacecraft for orbital maneuvering and spacecraft propulsion, including early crewed and uncrewed missions.
• C. Curtiss-Wright XLR25 rocket engine
  The Curtiss-Wright XLR25 was an American liquid-fueled rocket engine developed in the 1950s to power high-speed experimental research aircraft such as the Bell X-2.
• D. Rocketdyne A-7
  The Rocketdyne A-7 was a liquid-fueled rocket engine developed in the 1950s that powered early U.S. Redstone-based launch vehicles used in missile tests and pioneering space missions.
• E. Walter rocket engine
  The Walter rocket engine was a German World War II-era liquid-fuel rocket propulsion system, best known for powering the Messerschmitt Me 163 Komet interceptor and pioneering high-thrust, short-duration flight technology.
• F. None of above. chosen