Factual error: David Webster is shown to be training as part of Easy Company and is present among their number when Lt Meehan informs them that the invasion has been postponed. Webster actually trained with Fox Company and made the jump into Normandy as a member of the Battalion Headquarters Company. He transferred to Easy Company after D-Day.
Factual error: In the scene at the end of Part 1 where the aircraft are taking off on June 5 1944, as the camera pulls out to show the many aircraft rolling down the tarmac, the first aircraft shows the pilot wearing a pale green headset remarkably similar to a David Clark headset. However, the Clark company didn't start producing headsets until after the war.