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payload assist module

noun
1.
a U.S. solid-propellant rocket used to boost a medium-weight spacecraft from a circular low-earth orbit to an elliptical transfer orbit for later insertion into a geosynchronous orbit.
Abbreviation: PAM.
Origin of payload assist module
1980-1985
First recorded in 1980-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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