«Recognising the potential for icing conditions to develop over time, and their degree of severity, are crucial for safe flight planning,» says Politovitch. (newscientist.com)
NASA's recent report on shuttle safety found that the chance of making it through first 25 flights (# 25 being Challenger's last flight) was only 6 %, and the chance of 88 safe flights between the Challenger and Columbia disasters was just 7 %. (discovermagazine.com)