Once again, the main protagonist was Cuba. Stick to the plot and don’t make it different than what it was to suit your fancy.
Here is the plot of the movie, your trying to turn it into an invasion of the United States by Cuba, is worse than the remakes’s using North Korea, the author of the article is correct to use his language.
Red Dawn is a 1984 American action drama film directed by John Milius with a screenplay by Milius and Kevin Reynolds. The film depicts a fictional World War III centering on a military invasion of the United States by an alliance of Soviet, Warsaw Pact, and Communist Latin American states.
https://en.wikipedia.org/wiki/Red_Dawn
It is the dawn of World War III. In the western mountains of America, a group of teenagers band together to defend their town, and their country, from invading Soviet forces.
https://www.imdb.com/title/tt0087985/plotsummary/
In an alternate 1980s, the United States stands alone as communism grows stronger. When Soviet soldiers invade a small Colorado town, brothers Jed (Patrick Swayze) and Matt Eckert (Charlie Sheen) escape with friends to the forest. With their father, Tom (Harry Dean Stanton), a prisoner of the invading army, the children decide to fight against the Soviets.
https://www.rottentomatoes.com/m/1017321-red_dawn