link 4:50 pm est if everything goes as planned. 2 more launches? Date: April 19 + Mission: STS-134 Launch Vehicle: Space Shuttle Endeavour Launch Site: Kennedy Space Center - Launch Pad 39A Launch Time: 7:48 p.m. EDT STS-134 Description: Space shuttle Endeavour will deliver the Express Logistics Carrier-3 (ELC-3) and the Alpha Magnetic Spectrometer (AMS) to the International Space Station. Date: June 28 + Mission: STS-135 Launch Vehicle: Space Shuttle Atlantis Launch Site: Kennedy Space Center - Launch Pad 39A Launch Time: 3:48 p.m. EDT + Description: Space shuttle Atlantis will carry the Raffaello multipurpose logistics module to deliver supplies, logistics and spare parts to the International Space Station. Atlantis also will fly a system to investigate the potential for robotically refueling existing spacecraft and return a failed ammonia pump module.