At around 43 minutes into the film, the Defense Department launches fighter jets--designated Delta Team--from an aircraft carrier. The planes initially shown preparing to launch are F-14 Tomcats, while the ones taking off are F-18 Hornets. Later on (at around 54 minutes and afterwards) the same supposed planes of Delta Team are F-16 Falcons.
Bill, Molly and Morton escaped through the woods on a dirt road but, due to gunshots to the tank, they ran out of gas and pulled off a paved road.
When the Eldridge appears on the runway, the name "Eldridge" is on the bow - Navy ships have only the hull number on the bow, the name is across the stern.
When the airplane "N-1030" is requesting clearance for takeoff, they call the tower and announce themselves as "Vantage 354." In reality, they would have called out their plane model and N-Number "N1030."
Unless he was a junior high school phenom, Morton Salinger would have to be well into his triple digits, since the experiment was 69-70 years earlier and he was a scientist that long ago.
Molly was shot on the right leg. On the ship, she has a bandage on her right leg, but in the last scene where she runs out with Carl, the bandage is on her left leg.
When Gardener says "volts are volts and Hertz are Hertz." In 1943 Hertz wasn't used - it was 'c/s' (cycles per second).
Gardner recognizes a camper-top pickup and recognizes it by name as a "camper". The camper was not invented until 1945.
The officer depicted, serving on board a ship would be wearing the bars of a Navy Lieutenant JG. These bars are connected near to ends of the bars, not down a couple of millimeters from each end as on the bars seen in the film. The officer's bars in the film were obviously either Army, Army Air Forces or Marine Corps.
When originally aired on Syfy, every instance of a character saying "Damn it!" was closed captioned as "Damming!" without exception.
As Bill is surrendering at the Salinger Institute, a very disinterested man in a ball cap walked past in the background, looking down at his clipboard.
Given a modern days electronic ignition, a nearby electrical surge like occurred at the telephone booth scene and that caused the horn to blink and the headlights to flash, would have been sufficient to cause the vehicle to become inoperative.