Goofs

In the greenhouse scene, Parker's pistol changes between Beretta M9, S&W automatic and Glock between shots.

If Berlin "is buried under twenty metres of snow," why can one see a Berlin highway sign only partially covered in ice and snow, followed by many rooftops?

Throughout the movie, the troops' assault rifles change from M-16s to HK33s between shots.

The digital lock interface in the SolSat control room is different when Ana enters the code for the first time and when Parker tries to enter the code a few minutes later.

One gunman in the solarium is shot through the glass in front of him. He flies backward after the glass explodes, rather than instantaneously.

They placed Colonel Waters's eagles centered on the epaulets of the jacket instead of out on the sewed-down portion where they belong. This centered spot is reserved for Generals, more frequently seen misplaced out on the sewed-down portion instead of centered as this Air Force Colonel's eagles were erroneously placed.

When Tom and Anna find the people who froze to death, none of them appear frozen of have any sign of frostbite, etc on their faces.

In the tracked vehicles, there are no seat belts or shoulder harnesses. As they planned to drop them with people inside from the plane, harnesses would have been necessary to prevent the people inside from being injured both in the initial drop and on the landing.

The 'Celine' airliner has no identifying tail number.

When showing the NUNS headquarters, many green trees appear to be covered in snow. If the environment had changed to having cold temperatures and snow most of the year, the trees would not have been green with green leaves. They would either be of an evergreen family or dead.

The men say over the radio that the temperature is -72 C or close to that, but when Dean Cain's character goes outside he isn't wearing proper clothing. He would have gotten instant frost bite.

Many comments refer to the United States President but this is the New United Northern States, which may or may not have any connection to the previous United States of America. It is likely a union of remaining countries, or states, that managed to survive.

As the movie goes on Sarah's English accent becomes more prevalent, whereas in the beginning it was disguised.

When Parker protests being on the plane without his family, in an attempt to escape from the plane, he stomps the floor, to which the colonel reacts as if he was attacked.

Twice early in the film, before the opening credits, one sees a building with a traffic stoplight in the foreground. The light is red and appears flat, as if it were a painted prop.

Tank-like vehicle two takes the lead, then vehicle one (with the colonel) drives half-off a bridge before being lifted high into the air by a stalagmite. Shortly thereafter, Tom and Anna end up in the airborne vehicle when they were in the other one, without any explanation.

In the beginning of the movie, at the embassy party, dean cain's character is called 'sergeant parker' over the radio. he must have gotten a promotion as he climbed the stairs; on the balcony, he refers to himself as captain parker.