In the mission You Lucky Bastard, Tommy releases the brakes of a train and it smashes through a door. Once Tommy gets to the building the train is now back to where it was.
The term Molotov cocktail is used in a mission set in the year 1930. The term was coined by Finns during the Finnish-Soviet war which begun in 1939. The Soviet foreign minister then was called Vyacheslav Molotov.