Well the ending is now clear as NASA finally releases the final two launch dates of the shuttle program. Today at 12:15 EDT, mission control announced that Shuttle Endeavor and Shuttle Discovery will fly the last two missions, STS 133 and STS-134, but which mission will be launched first has not yet been determined.
According to NASA, STS – 133 has been assigned to Space Shuttle Endeavor which will deliver the Express Logistics Carrier 4 (ELC4), a Multi-Purpose Logistics Module (MLPM) and critical spare components to the International Space Station. The launch date is scheduled for July 29, 2010 @ 8:45 a.m. EDT from Kennedy Space Center in Florida.
And on September 16 at 1:00p.m. the Space Shuttle Discovery STS-134 will deliver an EXPRESS Logistics Carrier-3 (ELC-3) and an Alpha Magnetic Spectrometer (AMS) to the International Space Station.