NASA News National Aeronautics and Space Administration John F. Kennedy Space Center Kennedy Space Center, Florida 32899 AC 321-867-2468 ___________________________________________________________________________________________________________ For Release: June 30, 2003 George H. Diller Kennedy Space Center 321-867-2468 KSC Release No: 53 - 03 MER-B LAUNCH OF "OPPORTUNITY" SPACECRAFT POSTPONED TO SATURDAY, JULY 5 The launch of the MER-B "Opportunity" Mars Exploration Rover aboard the Boeing Delta II Heavy Iaunch vehicle has been postponed to no earlier than Saturday, July 5. A decision was made today to take additional time to perform tests on the process used to bond the cork insulation to the surface of the Delta II launch vehicle. These tests should be complete late on Wednesday. The launch times on Saturday evening are: 10:51:25 p.m. and 11:34:05 p.m. EDT. Note to Editors: Omar Baez, NASA launch director for MER-B, will be available at the KSC press site on Tuesday at 10 a.m. for an informal meeting with news media who would like to ask questions about the latest postponement. -- end -- ------------------------------------------------------------- For automatic email subscriptions to this KSC originated press releases, send an Internet electronic mail message to mailto:ksc-news_release-subscribe@kscnews.ksc.nasa.gov. With no subject or message. The system will reply with a confirmation via e-mail of each subscription. To remove your name from the list at any time, send an email addressed to mailto:ksc-news_release-unsubscribe@kscnews.ksc.nasa.gov . With no subject or message. or you can (un)subscribe on the World Wide Web at: http://kscnews.ksc.nasa.gov/ Status reports and other NASA publications are available on the World Wide Web at: http://www-pao.ksc.nasa.gov/kscpao/kscpao.htm .