Character mistake: Immediately before the attack, when the flag is being raised on the flagpole, the young seaman who previously rang the bell steps backwards and trips over the concrete step behind him.
Character mistake: When Marco is trying to raise his rifle to assassinate Senator Arthur, he held it upside down with his scope below and turned over in the same scene, He is an expert marksman.
Character mistake: In the movie, Gregory Peck claims that he speaks German "perfectly." But in the scene where he uses the dead cliff guard's radio, he speaks with a noticeably thick - and highly un-German - accent. (00:57:22)
Character mistake: Breaking the news of war to the Sayers, Allnut tells them that the war is involving smaller nations like "Austria, Hungary, Belgium, Spain." Spain was not amongst the participants of WW1. (00:10:00)
Character mistake: On the journey to meet Prince Feisal, Lawrence is offered food by his guide and accepts using his left hand. This would have been considered an insult as Arabs always eat using the right hand. The historical Lawrence would have known better. He had spent many years in the Middle East before the war.
Character mistake: Following McQueen's viewing of Naval Shipmate Attenborough's corpse, he then fails to recover the decedents dogtag; a United States Military Protocol.
Character mistake: At the beginning, in the funeral of the young lady, the priest says in Latin the traditional "In nomine patris et filii et spiritus sancti", but he says the last word wrong, "sanctus" instead of "sancti."
Character mistake: When the platoon is walking to the village the next morning after the firefight in the jungle the previous night Brownie is shown walking with no sleeves on his fatigues then later on right before he's shot and killed by the VC he's shown with sleeves on but rolled up when talking to Ericsson near the farmer in the rice paddy.
Character mistake: Merlin tells Arthur that Pendragon means Son Of the Dragon when it actually means Top Dragon or senior leader. Pen is Welsh for top not son.
Character mistake: Immediately after kissing (through masks) and having close contact with JJ, Valeria removed her protective mask and went to check on her sick/crying child. Valeria was clicking her tongue, kissing her child on the face/head and putting her hands around the child's ears/hair. Valeria did not take appropriate preventive measures for contracting and/or spreading COVID-19. (00:18:40 - 00:19:29)