In September of 2153, Kelly was one of the MACOs who accompanied Lieutenant Malcolm Reed and J. Hayes on a mission to the Xindi trellium mining planet to rescue Captain Jonathan Archer, Commander Charles Tucker III and Kessick. (ENT: "The Xindi") Kelly and fellow MACO's S. Money and W. Woods were part of the away team which landed on the planet on which Humans and Skagarans settled down. Several cowboys and their leader Deputy Bennings opened the fire and the MACO's defended the away team including T'Pol, Captain Archer, and Lieutenant Reed. (ENT: "North Star")