Factual error: Sgt. Bostick wears the unit patch of the U.S. Army's 4th Armored Division. The movie takes place in 1943, but the 4th Armored never served in North Africa, Sicily, or Italy, hitting the beaches of Normandy, France, on July 11th, 1944 after being stationed and training in England.
Factual error: At the point when Ryan transfers the points to divert the train, through the fuel dump being bombed, the light simulation of the passing train is of lit carriages, not trucks. (01:46:00 - 01:49:00)