The Disc (shown by Remy DeBoer in Kelvin during mission briefing):

A disc-shaped silver metallic object about the size of a buckler shield. The object appears to have been beaten severely, revealing metallic bits and pieces inside its outer body. There is a spark, followed by a whirr and a whine. A portion of the object raises off the table, and the object slowly pivots around the edge remaining on the table.

DeBoer: “The man who brought this to us said there were more. And of different sizes and shapes. Sadly, his mind seems to have been shattered by his experiences and, for the most part, he is quite incoherent…”