Complex sentence: In the case of the novel, Special Operation teams could have been used to harass Soviet air operations in Norway and the Warsaw Pact, whose special operations forces were the best at the time, could have harassed NATO's war capability severely.
Split into simpler sentences: In the case of the novel, Special Operation teams could have been used to harass Soviet air operations in Norway. Also, the Warsaw Pact, whose special operations forces were the best at the time, could have harassed NATO's war capability severely.