The storm clouds are actually toilet paper tubes with cotton stuck to them, slowly rolled forward. They were darkened and layered digitally.
The actress Brenda Strong, who plays Sergeant Rake, also played Captain Deladier in the original Starship Troopers (1997). She is the only actor to appear in both films.
When the general is on the radio, he is talking to Carmen Ibanez, which is Denise Richards' character from the first film.
Shot in just 26 days.
With the exception of stock footage used for the Fed-Net opening, no visual effects shots were recycled from the previous film. They were all newly created by Tippett Studio.