Back in 1976, a Russian front-line pilot defected to Japan in a MiG-25 Foxbat interceptor, flying virtually at sea level to avoid pursuing fighters and surface-to-air missiles. With about thirty seconds of fuel remaining, he landed at Hakodate Airport, bursting a tyre and skidding off the runway. Before the aircraft was handed back to the Russians, American intelligence agencies reduced it to a pile of components and then rebuilt it. Despite the wealth of intelligence gleaned, they completely failed to realise the purpose for which the Foxbat was created. Moving to the present, American satellites have detected unusual activity at several Algerian air bases, and at Ain Oussera one large hangar has been cordoned off and armed guards posted outside. Western intelligence agencies suspect...