S1, E2: While the world was captivated by NASA’s Apollo moon missions in the 1960s, the U.S. military was developing a parallel space program, an orbiting spy station that would gather high-res photographs of Soviet weapons systems. The mission was hidden from the public from the time it was established in 1961 until it was finally declassified decades later. Presented through recently released footage and interviews with astronauts involved in the top-secret program, this is a behind-the-scenes look at the Manned Orbiting Laboratory.