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“Jan. 1961 Popular Science story starring William O'Sullivan Jr, who headed Project Echo and the whole satelloon paradigm at the fledgling NASA.”
“During the early 1960's, Goddard launched the Echo I and Echo II satelloon projects.”
“The mystery to be solved was whether or not this bit of mylar was from Goddard's Echo II satelloon project.”
“History Detective Zuberi turned to retired NASA engineer and self-professed Echo satelloon historian Ron Muller for help in solving the mylar mystery.”
These user-created lists contain the word ‘satelloon’.
Originally this list was to contain multisyllabic words that end in "oon," but as you can see from the comments, all hell broke loose.
Looking for tweets for satelloon.