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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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Gaseous Environment Considerations and Evaluation Programs Leading to Spacecraft Atmosphere Selection

The NASA Manned Spacecraft Center has been actively involved in the direction and support of programs leading to the selection and validations of the atmosphere for forthcoming Gemini and Apollo missions. This paper discusses the engineering and physiologic considerations involved, describes the investigations to validate spacecraft atmospheres, and discusses the implications derived from the results of these investigations.

Edward L. Michel

Earth orbit rendezvous evaluation program

Study program written in FORTRAN 4 developes an oribital rendezvous guidance scheme for large, constant thrust launch vehicles. It concentrates on /1/ an investigation of the direct extension of the present Saturn Iterative Guidance Mode /IGM/ scheme and /2/ a scheme formulated in a reference frame moving with the target satellite.

Bennett, A. G.