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Richard Robert "Ricky" Arnold II (born November 26, 1963, in Cheverly, Maryland) is an American educator and a NASA astronaut. He flew on Space Shuttle mission STS-119, which launched March 15, 2009, and delivered the final set of solar arrays to the International Space Station. [1] He launched again in 2018 to the ISS, onboard Soyuz MS-08.
The Space Shuttle external tank (ET) carried the propellant for the Space Shuttle Main Engines, and connected the orbiter vehicle with the solid rocket boosters. The ET was 47 m (153.8 ft) tall and 8.4 m (27.6 ft) in diameter, and contained separate tanks for liquid oxygen and liquid hydrogen.
The stalled plans for a U.S. space station evolved into the International Space Station and were formally initiated in 1983 by President Ronald Reagan, but the ISS suffered from long delays, design changes and cost over-runs [3] and forced the service life of the Space Shuttle to be extended several times until 2011 when it was finally retired ...
STS-119 (ISS assembly flight 15A) was a Space Shuttle mission to the International Space Station (ISS) which was flown by Space Shuttle Discovery during March 2009. It was Discovery's 36th flight.
McDonald was promoted to vice president of engineering, charged with redesigning the solid rocket motors. [1] [2] When the Space Shuttle program was restarted in 1988, the new booster rockets designed by McDonald were used until the end of the program in 2011. Antagonism to his testimony within Thiokol hindered his career and he was assigned to ...
A pair of them provided 85% of the Space Shuttle's thrust at liftoff and for the first two minutes of ascent. After burnout, they were jettisoned, and parachuted into the Atlantic Ocean, where they were recovered, examined, refurbished, and reused. The Space Shuttle SRBs were the most powerful solid rocket motors to ever launch humans. [2]
NASA's retired space shuttle Endeavour was carefully hoisted late Monday and attached to a huge external fuel tank and its two solid rocket boosters at a Los Angeles museum where it will be ...
In all, over $4 billion were spent on the modifying SLC-6 for the Space Shuttle. The original Mobile Service Tower (MST) was lowered in height and two new flame ducts were added for the shuttle's solid rocket boosters. Additional modifications or improvements included liquid hydrogen and liquid oxygen storage tanks, a payload preparation room ...