Trident I C4

Target entity: Trident I C4
Context triple: [Trident II D5, predecessor, Trident I C4]

• A. Trident 1C
  Trident 1C is an early production variant of the British Hawker Siddeley Trident narrow-body jet airliner, used primarily for short- to medium-haul passenger services.
• B. Trident II D5 missile
  The Trident II D5 missile is a submarine-launched, nuclear-capable ballistic missile used by the U.S. and U.K. navies as a key component of their strategic deterrent forces.
• C. Minuteman III
  Minuteman III is an American intercontinental ballistic missile (ICBM) that has served as a key land-based component of the United States' nuclear deterrent since the 1970s.
• D. Trident 2E
  Trident 2E is a stretched, higher-capacity variant of the Hawker Siddeley Trident airliner designed to improve range and passenger load.
• E. Trident nuclear missile system
  The Trident nuclear missile system is the United Kingdom’s submarine-launched ballistic missile-based nuclear deterrent, carried by its Vanguard-class submarines as the core of its strategic defense.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Trident I C4
Target entity description: Trident I C4 is an earlier-generation U.S. submarine-launched ballistic missile that preceded and paved the way for the more advanced Trident II D5 system.

• A. Trident 1C
  Trident 1C is an early production variant of the British Hawker Siddeley Trident narrow-body jet airliner, used primarily for short- to medium-haul passenger services.
• B. Trident II D5 missile
  The Trident II D5 missile is a submarine-launched, nuclear-capable ballistic missile used by the U.S. and U.K. navies as a key component of their strategic deterrent forces.
• C. Minuteman III
  Minuteman III is an American intercontinental ballistic missile (ICBM) that has served as a key land-based component of the United States' nuclear deterrent since the 1970s.
• D. Trident 2E
  Trident 2E is a stretched, higher-capacity variant of the Hawker Siddeley Trident airliner designed to improve range and passenger load.
• E. Trident nuclear missile system
  The Trident nuclear missile system is the United Kingdom’s submarine-launched ballistic missile-based nuclear deterrent, carried by its Vanguard-class submarines as the core of its strategic defense.
• F. None of above. chosen