Deposition Program Riker One, also known as Riker Program Two and Riker Program Four, was a holoprogram created on the holodeck of the USS Enterprise-D based on Commander William T. Riker's deposition concerning the events leading to the explosion of the Tanuga IV research station and the death of Dr. Nel Apgar. This program was latter modified by the program La Forge One to show what really happened. (TNG: "A Matter of Perspective")

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