The secrets of the Black Sea

It is the end of the Cold War - supposedly the era of glasnost and perestroika.

The Soviet Union is about to come apart at the seams.

Buck Danny is sent as an observer and adviser to help the Russian army deal with its arsenal of nuclear weapons and some of its rogue units.

But old Communist habits die hard, and some of the Red Army hardliners have other plans.

The pilot finds himself over the Black Sea, where he locates some unusual prototypes.