Some of the soldiers in the movie at the road block scene were actual members of the Canadian Armed Forces.
The water slide scene was shot at Skinner's Wet 'n' Wild, a famous hot dog stand and restaurant north of Winnipeg, in a town called Lockport. The water slide itself has since been demolished, but the restaurant is still around.
Most of this movie was filmed in Winnipeg, Manitoba, Canada. The Gas station scene was filmed in Steinbach, Manitoba, Canada.