1966 – Valkyrie Protocol. Wings of Time, #4

1966: Valkyrie ProtocolBeneath the Antarctic ice lies a secret that survived the fall of the Third Reich. The elite of American aviation is drawn into a deadly race where the prize is technological supremacy - and the enemy, the Nazi legacy: weapons and black projects that should never have seen the light of day. Alexander Kostanov, a CIA test pilot, faces a threat that defies every known rule of war.
At the edge of the atmosphere and space, deep in the shadow of the Cold War, the fate of the world will be decided. Hypersonic aircraft, covert missions, and an underground empire unwilling to die. "1966: Valkyrie Protocol" is a relentless military technothriller. A story that could have truly happened - and whose consequences could have changed everything.