A Mission Specialist (MS) is a position held by certain NASA astronauts during Space Shuttle missions.
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The sphere, which looks like an oversized soccer ball, was released by Mission Specialist Winston E. Scott during the STS-87 spacewalk and flew freely in the forward cargo bay for about 30 minutes.
The song was also used as a wakeup call on Day 11 of space mission STS-121 for Texas A&M former student and mission specialist Mike Fossum.
Joseph M. Acaba, the first astronaut of Puerto Rican descent, who is assigned to the crew of STS-119 as a Mission Specialist Educator, carried on his person the flag as a symbol of his Puerto Rican heritage.
Lee also initiated a unique distinction with STS-47: his wife at that time, N. Jan Davis, was a mission specialist on the flight, making Lee and Davis the first married couple to be in space at the same time.
John M. Fabian was scheduled to fly as Mission Specialist 1 on his third trip to space, but due to concerns and stress about the Centaur-G worst-case-scenarios, he resigned from this mission.
From inside Endeavour, Canadian Mission Specialist Marc Garneau used the Canadarm to remove the P6 truss from the payload bay, maneuvering it into an overnight park position to warm its components.
Mae C. Jemison (M.D. '81), former astronaut, Science Mission Specialist on STS-47, Spacelab-J of space shuttle Endeavour (September 1992)