Republic of Singapore Air Force's Black Knights perform a manoeuvre during an aerial display at the Singapore Airshow February 13, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: BUSINESS TRANSPORT TPX ... more 
Republic of Singapore Air Force's Black Knights perform a manoeuvre during an aerial display at the Singapore Airshow February 13, 2014. REUTERS/Edgar Su (SINGAPORE - Tags: BUSINESS TRANSPORT TPX IMAGES OF THE DAY) less 
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Reuters | Photo By EDGAR SU / REUTERS
Wed, Feb 12, 2014 11:31 PM EST