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Michael L. Gernhardt

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Michael Gernhardt
Gernhardt in July 1995
Born
Michael Landon Gernhardt

(1956-05-04) May 4, 1956 (age 68)
Mansfield, Ohio, U.S.
EducationVanderbilt University (BS)
University of Pennsylvania (MS, PhD)
Space career
NASA astronaut
Time in space
43d 7h 1m
SelectionNASA Group 14 (1992)
MissionsSTS-69
STS-83
STS-94
STS-104
Mission insignia

Michael Landon Gernhardt (born May 4, 1956) is a NASA astronaut and manager of the Environmental Physiology Laboratory, and principal investigator of the Prebreathe Reduction Program (PRP) at the Lyndon B. Johnson Space Center.[1]

Personal life

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He enjoys running, swimming, flying, fishing, and scuba diving.[1] His father, George M. Gernhardt, is deceased. His mother, Suzanne C. Winters, resides in Whitestone, Virginia.[1]

Education

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Organizations

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Undersea career

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From 1977 to 1984, Gernhardt worked as a professional diver and project engineer on a variety of subsea oil field construction and repair projects around the world.[1] He has logged over 700 deep sea dives, and has experience in air, mixed gas, bounce bell and saturation diving.[1] During his diving career, Gernhardt attended graduate school at the University of Pennsylvania, and developed a new theoretical decompression model based on tissue gas bubble dynamics.[2] He then participated in the development and field implementation of a variety of new decompression tables.[clarification needed] From 1984 to 1988, Gernhardt worked as Manager, and then Vice President of Special Projects, for Oceaneering International. During this time, he led the development of a telerobotic system for subsea platform cleaning and inspection, as well as a variety of new diver and robot tools.[3] In 1988, he founded Oceaneering Space Systems, a company formed to transfer subsea technology and operational experience to the ISS program.[1][3] From 1988 until his selection by NASA in 1992, he worked on the development of new astronaut and robot-compatible tools for performing maintenance on Space Station Freedom.[3] He also worked on the development of new portable life support systems and decompression procedures for extra-vehicular activity.[3]

NASA career

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At NASA, Gernhardt reported to the Johnson Space Center in August 1992. His technical assignments to date include:[1]

Gernhardt presently serves as a member of the astronaut office EVA branch, as Principal Investigator of the Prebreathe Reduction Program, and as Manager of JSC's Environmental Physiology Laboratory.[1]

A four-flight veteran, Gernhardt has logged over 43 days in space, including 4 spacewalks totaling 23 hours and 16 minutes. He was a mission specialist on STS-69 in 1995, STS-83 in 1997, STS-94 in 1997, and STS-104 in 2001.[1]

Gernhardt served as an aquanaut on the first NEEMO (NASA Extreme Environment Mission Operations) crew aboard the Aquarius underwater laboratory in October 2001.[7] In April 2005, he was the commander of the NEEMO 8 mission.[8][9]

Gernhardt drove the lunar rover prototype at President Barack Obama's inaugural parade on January 20, 2009.[10]

On September 19, 2011, NASA announced that Gernhardt would participate in the NEEMO 15 mission in October 2011 from the DeepWorker submersible. The DeepWorker is a small submarine used as an underwater stand-in for the Space Exploration Vehicle, which might someday be used to explore the surface of an asteroid.[11] In June 2012, Gernhardt piloted the DeepWorker as part of the NEEMO 16 mission, for which he was principal investigator.[12][13]

Spaceflight experience

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STS-69 took place from September 7–18, 1995.[1] Its prime objective was the successful deployment and retrieval of a SPARTAN satellite and the Wake Shield Facility (WSF). The WSF was designed to evaluate the effectiveness of using this free-flying experiment to grow semiconductors, high temperature superconductors and other materials using the ultra-high vacuum created behind the spacecraft, near the experiment package. Gernhardt was one of two astronauts to perform a spacewalk to evaluate future Space Station tools and hardware, logging 6 hours and 46 minutes of EVA. Mission duration was 260 hours, 29 minutes, and 8 seconds, traveling 4.5 million miles in 171 orbits of the Earth.

STS-83 took place from April 4–8, 1997.[1] This was the Microgravity Science Laboratory (MSL-1) Spacelab mission, and it was cut short due to problems with one of the Shuttle's three fuel cell power generation units. Mission duration was 95 hours and 12 minutes, traveling 1.5 million miles in 63 orbits of the Earth.

STS-94 took place from July 1–17, 1997.[1] This was a re-flight of the Microgravity Science Laboratory (MSL-1) Spacelab mission, and focused on materials and combustion science research in microgravity. Mission duration was 376 hours and 45 minutes, traveling 6.3 million miles in 251 orbits of the Earth.

STS-104 took place from July 12–24, 2001.[1] This was the 10th mission to the International Space Station (ISS). During the 13-day flight, the crew conducted joint operations with the Expedition-2 crew. Gernhardt was one of two astronauts to perform three spacewalks to install the joint airlock "Quest" (including the first US spacewalk from the ISS), and to outfit it with four high-pressure gas tanks. The mission was accomplished in 200 Earth orbits, traveling 5.3 million miles in 306 hours and 35 minutes.

Awards and honors

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Michael L. Gernhardt gallery
  • STS-69 crew
    STS-69 crew
  • STS-83 crew
    STS-83 crew
  • STS-104 crew
    STS-104 crew
  • The pale blue Earth serves as a backdrop for astronaut Michael Gernhardt, who is attached to the Space Shuttle Endeavour's robot arm during a spacewalk on the STS-69 mission in 1995.
    The pale blue Earth serves as a backdrop for astronaut Michael Gernhardt, who is attached to the Space Shuttle Endeavour's robot arm during a spacewalk on the STS-69 mission in 1995.
  • STS104-315-013 (July 12–24, 2001) --- Holding onto the end effector of the Canadarm on the Space Shuttle Atlantis, astronaut Michael L. Gernhardt, STS-104 mission specialist, participates in one of three STS-104 space walks.
    STS104-315-013 (July 12–24, 2001) --- Holding onto the end effector of the Canadarm on the Space Shuttle Atlantis, astronaut Michael L. Gernhardt, STS-104 mission specialist, participates in one of three STS-104 space walks.
  • An all-star gathering of legendary American astronauts appeared in Cleveland August 29, 2008 to celebrate NASA's 50th anniversary.
    An all-star gathering of legendary American astronauts appeared in Cleveland August 29, 2008 to celebrate NASA's 50th anniversary.
  • First NASA Extreme Environment Mission Operations (NEEMO) expedition crew: From left to right, in front is Mike Lopez-Alegria and Bill Todd, in back is Mike Gernhardt and Dave Williams.
    First NASA Extreme Environment Mission Operations (NEEMO) expedition crew: From left to right, in front is Mike Lopez-Alegria and Bill Todd, in back is Mike Gernhardt and Dave Williams.
Photos and captions by NASA

References

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Public Domain This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.

  1. ^ a b c d e f g h i j k l m NASA (July 2008). "Biographical Data: Michael L. Gernhardt (Ph.D.)" (PDF). Retrieved June 24, 2021.
  2. ^ Gernhardt, ML (1991). "Development and Evaluation of a Decompression Stress Index Based on Tissue Bubble Dynamics". Doctoral Dissertation. EBSDC-IFEM Report No. 1-1-1991. University of Pennsylvania Department of Bioengineering. Philadelphia, PA: Environmental Biomedical Stress Data Center, Institute for Environmental Medicine, University of Pennsylvania. Archived from the original on August 30, 2012. Retrieved August 29, 2008.{{cite journal}}: CS1 maint: unfit URL (link)
  3. ^ a b c d Frisbie, FR (1995). "Transfer of Technology & Capabilities Between The Offshore Underwater Industry and Space Based Industry". UnderWater Magazine. Archived from the original on June 24, 2008. Retrieved November 5, 2013.
  4. ^ Fitzpatrick DT, Conkin J (2003). "Improved pulmonary function in working divers breathing nitrox at shallow depths". Undersea Hyperb Med Abstract. 30 (Supplement): 763–7. PMID 12862332. Archived from the original on May 15, 2012. Retrieved August 28, 2008.{{cite journal}}: CS1 maint: unfit URL (link)
  5. ^ Fitzpatrick DT, Conkin J (July 2003). "Improved pulmonary function in working divers breathing nitrox at shallow depths". Aviat Space Environ Med. 74 (7): 763–7. PMID 12862332. Retrieved August 28, 2008.
  6. ^ Gernhardt, ML; Pollock, NW; Vann, RD; Natoli, MJ; Nishi, RY; Sullivan, PJ; Conkin, J; Dervay, JP; Moore, AD; Lee, S; Acock, K; Srinivasan, RS (2004). "Development of an in-suit exercise prebreathe protocol supporting extravehicular activity in microgravity". Undersea Hyperb Med Abstract. 31 (Supplement). Archived from the original on August 17, 2016. Retrieved August 28, 2008.{{cite journal}}: CS1 maint: unfit URL (link)
  7. ^ NASA (March 21, 2006). "NASA - NEEMO History". National Aeronautics and Space Administration. Retrieved September 19, 2011.
  8. ^ National Oceanic and Atmospheric Administration (May 18, 2010). "NEEMO 8". University of North Carolina Wilmington. Archived from the original on March 20, 2012. Retrieved September 23, 2011.
  9. ^ NASA (April 21, 2011). "Life Sciences Data Archive : Experiment". NASA. Archived from the original on March 22, 2012. Retrieved September 22, 2011.
  10. ^ Borenstein, Seth (January 8, 2009). "Moon buggy to debut in inaugural parade: Lunar rover is NASA's leading prototype for future moon mission". TODAYshow.com. Archived from the original on February 14, 2012. Retrieved February 6, 2012.
  11. ^ NASA (September 19, 2011). "NASA - NASA Announces 15th Undersea Exploration Mission Date And Crew". NASA. Retrieved September 19, 2011.
  12. ^ "NASA - ISS Update: Interviews (June 11-June 15, 2012)". NASA. June 15, 2012. Retrieved July 12, 2012.
  13. ^ Love, Stan (June 18, 2012). "Dr. Love's Underwater Blog: Mobility and Stability with DeepWorkers". NASA. Archived from the original on May 20, 2017. Retrieved July 12, 2012.
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