A man watches an Australian Army Blackhawk popping up between buildings during counter terrorism exercises over the Central Business District in Sydney, Australia, Wednesday, Aug. 24, 2011. (AP ... more 
A man watches an Australian Army Blackhawk popping up between buildings during counter terrorism exercises over the Central Business District in Sydney, Australia, Wednesday, Aug. 24, 2011. (AP Photo/Rob Griffith) less 
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Associated Press | Photo By Rob Griffith
Wed, Aug 24, 2011 6:44 AM EDT