Factual error: Lee Christmas commandeers a small wooden boat from Thailand to intercept a container ship carrying nuclear materials. The distance between Thailand and Vladivostok is around 4,000 nautical miles. It is extremely unlikely that a small wooden boat would be able to motor from Thailand and intercept a container ship. It would never have enough fuel to go and return. Further, a container ship cruises at around 21 Knots, a much faster speed than a small wooden boat.
Factual error: A clandestine team of men and women is being transported to near the coast of Vlavidostok to parachute down and capture nuclear detonators. They are shown being transported in a US Air Force C-130 Hercules. This is a no-no. The CIA does use the Lockheed L-100-30, the civilian version of the Hercules, but would never have Air Force markings for a clandestine operation, especially inside Soviet airspace.
Factual error: The movie makes a mention of a CIA black site in the South Asia Sea. There is no such sea. Between the North Pacific Ocean and the Indian Ocean there are many "seas", the largest being the South China Sea. But there are also others such as the Andaman, Java, Banda, Timor, Celebes, and Sulu seas. There is no South Asia Sea.