Dr. Hans Mark (1929 - 2021) Mark, US Government Executive, was a passionate advocate of tiltrotor technology for civil and military use. Learn more about Hans Michael Mark in VFS Update: 'In Memoriam' - Vertiflite May/June 2022
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Dr. Hans Mark

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Dr. Hans Mark (1929 - 2021)

Mark, US Government Executive, was a passionate advocate of tiltrotor technology for civil and military use.
Learn more about Hans Michael Mark in VFS Update: 'In Memoriam' - Vertiflite May/June 2022

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