Surreal Footage on Instagram: "On September 11, 2001, astronaut Frank Culbertson was the only American in space, serving as commander of Expedition 3 aboard the International Space Station. As the ISS passed over the eastern United States, Culbertson observed smoke rising from New York City, a haunting sight that led him to document the scene with a video camera. Upon learning of the attacks, Culbertson felt a profound sense of isolation and helplessness, being the sole American off-planet durin