The Soviet Unions immense investment in space technology was on full display April 5, 1975. The Soyuz 18a mission, a state-backed enterprise, promised another routine success for their program of cosmic development and growth. Cosmonauts Lazarev and Makarov launched as symbols of national ambition and the pinnacle of its technological innovation. Minutes later, the showcase of reliable technology became a terrifying discovery of a critical flaw. A stage separation failure sent them plummeting in

5.9K views · 14 reactions | The Soyuz rocket launch failure last month was caused by a faulty sensor, says the head of a Russian commission investigating the incident. | NBC News World | Facebook

While the 9/11 Memorial & Museum is temporarily closed, you can still explore the Museum’s dynamic blend of architecture, archaeology and history through our website. We offer a variety of resources to help you learn more about the attacks of 1993 and 2001, the aftermath and the people who experienced them. www.911memorial.org | National September 11 Memorial & Museum

103K views · 3.7K reactions | "Reflecting on the past, honoring the future - the 9/11 Memorial & Museum in NYC is a poignant tribute to the lives lost. A moment of silence, a symbol of hope, and a reminder of the power of unity." #discovernewyork | Discover New York | Facebook