The outlet nozzles of the engines on a NASA F/A-18 Hornet. In between the nozzles, the aircraft’s tail hook can be seen.
<a rel="nofollow" class="external text" href="http://www.sxc.hu/browse.phtml?f=profile&amp;l=vxdigital">Christopher Bruno</a>
CC BY-SA 3.0
<a rel="nofollow" class="external text" href="http://www.sxc.hu/browse.phtml?f=view&amp;id=163608">sxc.hu</a>