Cook pasta according to package directions.
Meanwhile, in a skillet, cook beef over medium heat until
no longer pink; drain. Add water and taco seasoning; simmer,
uncovered, for 15 minutes. Rinse pasta in cold water and
drain; place in a large bowl. Add beef mixture, cheese,
green pepper, onion, tomato, and olives; mix well. Add the
dressing and toss to coat. Cover and refrigerate for at
least 1 hour. Yields 10 servings.