Republic of Singapore Air Force Gulfstream G550 on final approach to Darwin's runway 29 during the 2012 version of Exercise Pitch Black. The G550 has replaced the E2C Hawkeye as the RSAF Airborne Early Warning aircraft.  Interesting smoke trail coming from starboard engine.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/40132991@N07">Ken Hodge</a>
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<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/40132991@N07/7746609552">Republic of Singapore Air Force Gulfstream G550 in Exercise Pitch Black 2012</a>