The launch of NASA’s 2001 Mars Odyssey is scheduled for Saturday, April 7, at 11:02 a.m. EDT. Liftoff will occur aboard a Boeing Delta II launch vehicle from Pad A at Space Launch Complex 17, Cape Canaveral Air Force Station, Fla. A second launch opportunity exists thirty minutes later at 11:32 a.m., if necessary. Should launch be delayed by 24 hours, the two launch times available on Sunday are 10:29 a.m. and 11:29 a.m. EDT. The planetary launch window extends through April 27.