Operation Vektor

Lady X, Buck's nemesis, has given all three pilots the slip.

Unfortunately, she's also managed to pick up a Russian defector who's not only shot Natalya, the beautiful scientist Buck appears to have fallen for, but also carries with him a sample of an incredibly deadly virus.

With the assistance of the French Navy, the three American aces will have to track down their old enemy through one of the least hospitable parts of the world...