Chillin'

flickr.com — A U.S. Navy Blue Angels F/A-18 Hornet fighter jet sprouts a Prandtl-Glauert Cloud on 24 June 2006 while flying down the runway -- at speeds just below Mach 1 -- during the 2006 Westfield International Air Show at the Massachusetts Air National Guard Base in Westfield, Massachusetts, USA. Photographer: Staff Sgt. Melanie J. Norman, U.S. Air Force Sep 27, 2008 View in Crawl 4