Space Shuttle It weighed 3.4 metric tons (7,500 lb) less than the last run of lightweight tanks, allowing the Shuttle to deliver heavy elements to ISS's high inclination orbit. As the Shuttle was always operated with a crew, each of these improvements was first flown on operational mission flights. The solid rocket boosters underwent improvements as well. Design engineers added a third O-ring seal to the joints between the segments after the 1986 Space Shuttle "Challenger" disaster. Several other SRB improvements were planned to improve performance and safety, but never came to be. These culminated in the considerably simpler, lower cost, probably
Space Shuttle Columbia a salute, a celebration rather than just concentrating on a few moments of tragedy, but instead the bigger picture of these brave people's lives." The graphic novel "Orbiter" by Warren Ellis and Colleen Doran was dedicated to the "lives, memories and legacies of the seven astronauts lost on space shuttle "Columbia" during mission STS-107." Laurel Clark's wake up call on STS – 107 was Runrig's "Running to the Light". Laurel took "The Stamping Ground" CD into space with her and when the Shuttle exploded the CD was found back on Earth, and presented to the band. "Somewhere", the final track