A cut cross section of the last umbilical cable to be released from the Atlas rocket used to launch John Glenn into orbit. The section measures approximately .75″ in diameter, and was separated a fraction of a second after lift-off on February 20, 1962. Section is encased in Lucite and accompanied by a photocopied letter of authenticity from Philip Culbertson, stating the cable comes from the final umbilical. Culbertson was the Chief Project Engineer for the Atlas launch vehicles used in the Mercury program. RRAuction COA.
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