Ship's log, USS Defiant (NCC-1764)
The ship's log on the  was the method used by the chief medical officer to officially record his final log entry. An entry left by the ship's former medical surgeon was discovered on a monitor at the surgeon's desk by Doctor Leonard McCoy of the  in 2268. 

McCoy summarized that "According to the ship's log, the medical surgeon down here didn't even know what was going on." ()

Logs