The starship log on the USS Reliant (NCC-1864) was the method used by officers other than the commanding officer to officially record the ship's missions.
Mission to the Ceti Alpha system. (Star Trek II: The Wrath of Khan)
- "Starship log, Stardate 8130.4. Log entry by First Officer Pavel Chekov. Starship Reliant on orbital approach to Ceti Alpha VI, in connection with Project Genesis. We are continuing our search for a lifeless planet, to satisfy the requirement of a test site for the Genesis Experiment. So far, no success."