STS-134 Launch Moved 1 Day to February 27, 2011, Due to “Space Traffic Jam”

The launch of STS-134 has been slid one day from February 26 to February 27, 2010. Read about the “traffic jam” at

The date has been updated across this website. The NASA STS-134 Mission Information page has specific details on the flight profile for Endeavour.

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The Student Spaceflight Experiments Program (SSEP) is a program of the National Center for Earth and Space Science Education (NCESSE) in the U.S., and the Arthur C. Clarke Institute for Space Education internationally. It is enabled through a strategic partnership with DreamUp PBC and NanoRacks LLC, which are working with NASA under a Space Act Agreement as part of the utilization of the International Space Station as a National Laboratory. SSEP is the first pre-college STEM education program that is both a U.S. national initiative and implemented as an on-orbit commercial space venture.