Logo of <a href="https://en.wikipedia.org/wiki/Alliant_Computer_Systems" class="extiw" title="en:Alliant Computer Systems">Alliant Computer Systems Corporation</a>
Alliant Computer Systems
Own vectorization from company masthead (<a rel="nofollow" class="external text" href="https://ia601008.us.archive.org/15/items/DTIC_ADA190465/DTIC_ADA190465.pdf#page=25">DTIC ADA190465, page 25</a>)