330-PSA-23-62 (USN 711007):  The Naval Research Laboratory’s Solar Radiation IV will monitor x-ray radiation from the Sun and ultraviolet radiation in the night sky.  Visible in the photograph are:  three solar cell patches; one of the sphere’s four x-ray detectors (dark vertical line on left side of ball’s equator); the four parallel gun-barrel-like ultraviolet detectors; the six Earth-aspect detectors (dark tube-like attachments or horns jutting out diagonally from the sphere); the two small gas satellite’s equator; half of the four miniature rocket backup spin-up satellites making up the payload of Composite I.  Photograph released January 24, 1962.  (9/29/2015).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/127906254@N06">National Museum of the U.S. Navy</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/127906254@N06/21649093158/">330-PSA-23-62 (USN 711007)</a>