• An Approach for Calculating the Cost of Launch Vehicle Reliability 

      Krevor, Zachary C.; Wilhite, Alan W. (Georgia Institute of Technology, 2007-09)
      The goal of this paper is to determine the cost of increasing launch vehicle reliability during conceptual design. The launch vehicle mission requirements are held constant while various reliability strategies are evaluated ...
    • The Gryphon: A Flexible Lunar Lander Design to Support a Semi-Permanent Lunar Outpost 

      Arney, Dale; Hickman, Joseph; Tanner, Philip; Wagner, John; Wilson, Marc; Wilhite, Alan W. (Georgia Institute of Technology, 2007-09)
      A lunar lander is designed to provide safe, reliable, and continuous access to the lunar surface by the year 2020. The NASA Exploration System Architecture is used to initially define the concept of operations, architecture ...
    • A Value Proposition for Lunar Architectures Utilizing Propellant Re-supply Capabilities 

      Young, James; Wilhite, Alan (Georgia Institute of Technology, 2007-09)
      The NASA Exploration Systems Architecture Study (ESAS)ⁱⁱ produced a transportation architecture for returning humans to the moon affordably and safely while using commercial services for tasks such as cargo delivery to ...