Systems Architecting Methodology for Space Transportation Infrastructure

Evaluation of launch architectures requires the assessment of options over a range of dimensions, which can be broadly grouped into technical performance, time to initial capability, cost, and satisfaction of stakeholders’ various needs. The challenge is to fairly compare a broad range of architectures across these dimensions. This paper presents a systems architecting methodology for comprehensive but transparent exploration of available options for future space transportation infrastructure, as applied to a super heavy lift launch infrastructure case study. The methodology supports investigation of the tradeoffs associated with stage propellant selection, launch vehicle configuration, and other relevant design parameters. The study considers potential low-Earth-orbit-class vehicles derived from the baseline vehicle to deliver early benefit from the heavy lift vehicle and provide an ongoing cost effective low-Earth-orbit service. The technical assessment methodology is validated against existing launch v...

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