NASA NTRS · 19910018887
Current systems: Upper stages
Abstract
The United States orbital transfer vehicles are presented: PAM-D (Payload Assist Module); PAM-D2; IUS (Inertial Upper Stage); and TOS (Transfer Orbit Stage). This presentation is represented by viewgraphs.
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Gunn, Charles R.. 1991-05-01. Current systems: Upper stages. https://ntrs.nasa.gov/citations/19910018887
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