Factual error: In the scene of reaching Machu Pichu, the asthmatic Che Guevara is practically running up (6.000 meters high), and his friend, who doesn't suffer from any respiratory illness, is gasping for air. In other scenes, the asthma plays an important role in the film.
Factual error: At the end of the movie, after losing the 1954 Boston marathon, Father Hibbert asks Ralph what his running plans are for the future. Ralph replies that the Olympics are next year and he plans on winning them. The next Olympics were in 1956, not 1955.
Factual error: In this scene several sailors attack Alice Paul and tear down the demonstrator's banners. The older sailor's petty officer rank specialty insignia featuring three lightning bolts, Radioman, was not created until 1921, four years after this incident. (01:30:35)
Factual error: The opening scene shows Lieutenant Commander Sullivan being interviewed by a Rear Admiral at CINCPAC, according to the signage. He would never be assigned to a submarine scheduled to be deployed to the Atlantic.
Factual error: After Deni fires the last shot in her pistol, she continues to pull the trigger and the gun continues to click. However, this would not happen in a single-action semi-automatic like the Glock she is firing.
Factual error: The garage scientists are setting up an experiment. One of the guys goes to tighten the terminals of a battery. He grabs one in each hand and proceeds to tighten them. If he had done that to a real battery he would have gotten the shock of his life. (00:12:00)
Factual error: There is an aerial shot of what appears to be Manchester Oxford Road station in the foreground showing overhead power cables. The caption is 'Manchester 1949', but electrification didn't start until the 60's.
Factual error: A scene in the second half of the film pans up over the top of the Flamingo hotel/casino facing north up the Vegas strip. The Caesars Palace sign is to the left (west) and north of the Flamingo are the Sands, the Dunes, and the Frontier casinos in that order. The Dunes hotel/casino was never located between the Sands and the Frontier. It was in fact one of the southernmost located casinos on the strip at that time and would have technically been behind, southwest of, the Flamingo in this scene.
Factual error: There is a scene where Lt. Grace Torres is showing her fighter aircraft to her younger sister Tina Torres and Maddie Dolan (the main character). Lt. Grace Torres calls the aircraft an F-15 Hornet. The F-15 is called the Eagle and is flown by the U.S. Air Force, not the Navy. The aircraft that is being displayed is the F-18 Hornet. Absolutely not a mistake that someone who flies the plane would make.