ISS020-E-049909 (2 Oct. 2009) --- NASA astronaut Nicole Stott, Expedition 20/21 flight engineer, works with the Mice Drawer System (MDS) in the Kibo laboratory of the International Space Station.

Illustrated in this artist concept are two possible structures for asteroid 2011 MD. NASA Spitzer infrared camera helped reveal that this asteroid consists of about two-thirds empty space.

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Microphones

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Microphones,

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Van

NASA research pilot Gordon Fullerton checked out how the PCA software worked in the multi-engine simulator at NASA Ames before fight-testing PCA in an MD-11.

McDonnell-Douglas MD-11 Semi-span model test-12-0016 in 12ft WT

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Control Room with test evaluation crew

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Control Room with test evaluation crew

McDonnell-Douglas MD-11 Semi-span model test-12-0016 in 12ft WT

View of Nicole Stott as she works to transfer the Mice Drawer System (MDS) from the middeck (MDDK) of Discovery to the JEM Pressurized Module (JPM) during STS-128.

MD-900 (N900MH) Helicopter Noise Abatement Test - Crows Landing, Microphones, Van and balloon blimp (wind indicator)

Boeing’s MD-90 aircraft flies from Victorville California to Palmdale, California on August 15, 2023. This aircraft will be NASA’s future Sustainable Flight Demonstrator. Modifications to the aircraft will include changes to the fuselage and most notably the use of a transonic truss-braced wing.

Boeing’s MD-90 aircraft flies from Victorville California to Palmdale, California on August 15, 2023. This aircraft will be NASA’s future Sustainable Flight Demonstrator. Modifications to the aircraft will include changes to the fuselage and most notably the use of a transonic truss-braced wing.

Boeing’s MD-90 aircraft flies from Victorville California to Palmdale, California on August 15, 2023. This aircraft will be NASA’s future Sustainable Flight Demonstrator. Modifications to the aircraft will include changes to the fuselage and most notably the use of a transonic truss-braced wing.

Boeing’s MD-90 aircraft flies from Victorville California to Palmdale, California on August 15, 2023. This aircraft will be NASA’s future Sustainable Flight Demonstrator. Modifications to the aircraft will include changes to the fuselage and most notably the use of a transonic truss-braced wing.

Boeing’s MD-90 aircraft flies from Victorville California to Palmdale, California on August 15, 2023. This aircraft will be NASA’s future Sustainable Flight Demonstrator. Modifications to the aircraft will include changes to the fuselage and most notably the use of a transonic truss-braced wing.

Boeing’s MD-90 aircraft flies from Victorville California to Palmdale, California on August 15, 2023. This aircraft will be NASA’s future Sustainable Flight Demonstrator. Modifications to the aircraft will include changes to the fuselage and most notably the use of a transonic truss-braced wing.

Boeing’s MD-90 aircraft flies from Victorville California to Palmdale, California on August 15, 2023. This aircraft will be NASA’s future Sustainable Flight Demonstrator. Modifications to the aircraft will include changes to the fuselage and most notably the use of a transonic truss-braced wing.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.

Crew Model Water Landing Module Assessment Photographs taken at Aberdeen Test Facility Aberdeen MD.