Prime Timeline
   | Year | Event | 
   | 2357 | 
         ● [1]
         Riker is assigned to the Starship Pegasus. [1]
      
 | 
   | 2358 | 
         ● [1]
         Starship Pegasus believed destroyed during tests of the phase cloak system. Riker assists Captain Pressman to cover up the truth about the loss of the ship. [1]
      
 | 
   | 2370 | 
         ● [1]
         The Enteprise-D discovers the wreck of the USS Pegasus, lost in 2358. The ship proves to have been experimenting with an illegal phase-cloak device, implicating Commander Riker and Admiral Erik Pressman. [1]
      
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Colour key
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References