| abstract | - Heidemarie Martha Stefanyshyn-Piper (born February 7, 1963) is an American Naval officer and a former NASA astronaut. She has achieved the rank of Captain in the United States Navy. She is also a qualified and experienced salvage officer. Her major salvage projects include de-stranding the tanker Exxon Houston off the coast of Barbers Point, on the island of Oahu, Hawaii, and developing the plan for the Peruvian Navy salvage of the Peruvian submarine Pacocha. Stefanyshyn-Piper has received numerous honors and awards, such as the Meritorious Service Medal, two Navy Commendation Medals, and two Navy Achievement Medals. She has flown on two Space Shuttle missions, STS-115 and STS-126, during which she completed five spacewalks totaling 33 hours and 42 minutes. She ranks as 25th among the all-time list of space walkers by duration.}}[citation needed]
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