The launch of Opportunity is now set for Sunday, July 6th at 10:43:16pm EDT
The launch of the Mars Exploration Rover "Opportunity" is now set for Sunday, July 6, at 10:43:16 p.m. EDT. Problems with the cork insulation on the Delta II rocket's first stage are being resolved.
http://www.ksc.nasa.gov/
Also: http://www.ksc.nasa.gov/elvnew/merb/index.htm