A debris strike on the shuttle's left wing raises alarms at NASA. Meanwhile, the crew, unaware, continues the 16-day mission; communicating with their families through emotional video conferences.
Sixteen minutes from landing, Mission Control loses contact with the crew. As live television shows debris falling, NASA fears the worst, prompting East Texas residents to mobilize in one of America's largest search efforts.
NASA is under pressure as their flawed safety culture and management failures are highlighted in the disaster's investigation, causing uncertainty for the future of American space travel.
