In the film, "Star Trek Generations," Data finally installs the emotion chip he retrieved from Lore (Star Trek: The Next Generation, "Descent, Part II," Season 7, Episode 1), and experiences the full scope of emotions. These emotions proved difficult to control and Data struggled to manage them. By the events of "Star Trek: First Contact," Data gained complete control of the chip, which included deactivating it to maintain his performance efficiency.
James Doohan was to gain fame as Scotty on Star Trek. But on the outbreak of War in 1939 he joined the Royal Canadian Artillery serving as a lieutenant in 13th Field Regiment in the U.K. He landed on D-Day at Juno beach where late in the day he was seriously wounded being hit four times in a friendly fire incident. Evacuated to the U.K, on recovery he trained as an AOP pilot, and served as an artillery spotter from 1945 to the wars end flying Austers..