Cutaway diagram of <a href="https://en.wikipedia.org/wiki/Aerobee" class="extiw" title="w:Aerobee">Aerobee</a> sounding rocket, an unguided <a href="https://en.wikipedia.org/wiki/sounding_rocket" class="extiw" title="w:sounding rocket">sounding rocket</a> manufactured by <a href="https://en.wikipedia.org/wiki/Aerojet_General" class="extiw" title="w:Aerojet General">Aerojet General</a> and used for atmospheric and cosmic ray research from 1947 to 1985.  There were 9 variants of the Aerobee produced, and the source does not say which this is.
Unknown author<span style="display: none;">Unknown author</span>
1953-05
Retrieved July 4, 2014 from <a rel="nofollow" class="external text" href="http://www.americanradiohistory.com/Archive-Tele-Tech/Tele-Tech-1953-05.pdf"><i>Tele-Tech</i> magazine, Caldwell-Clements Inc., Bristol, Connecticut, Vol. 12, No. 5, May 1953, p. 118</a> on <a rel="nofollow" class="external text" href="http://www.americanradiohistory.com/">American Radio History</a> website