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Challenger at 40: The disaster that changed NASA

How a cold morning, failed O-rings, and flawed decision-making led to tragedy Forty years ago, Space Shuttle Challenger ...
Aviation Week

Final Shuttle SRB Test Includes Ares I Objectives

FINAL BURN: Alliant Techsystems (ATK) engineers will use results from the final ground test of a space shuttle reusable solid rocket motor at the company’s Promontory, Utah, facility to continue work ...