LAST UPDATED May 5, 2008: Thanks to all of you who are writing in with corrections to this launch forecast. Please remember to cite your source for any suggestions you make. And as always, please remember that there is no greater work of fiction than a Web site's launch schedule. These dates are often based on unofficial sources and change almost every day. Please DO NOT schedule travel based on a date you see here.

2008

May 14: A Russian Soyuz rocket to launch the unmanned Progress 29 cargo ship toward the International Space Station from Baikonur Cosmodrome in Kazakhstan. 4:22 p.m. EDT (2022 GMT).

May 23:An Arianespace Ariane 5 rocket to orbit the Skynet 5C and Turksat 3A communciations satellites from a spaceport at Kourou, French Guiana. 5:50 p.m. EDT (2150 GMT).

*NET May 31: NASA's space shuttle Discovery to launch Japan's Kibo Pressurized module and robotic arm on the STS-124 mission to the International Space Station. 5:01 p.m. EDT (2101 GMT)

June 15: A United Launch Alliance Delta 2 rocket to launch the Ocean Surface Topography Mission on the Jason 2 satellite from Vandenberg Air Force Base in California. 4:47 a.m. EDT (0847 GMT).

June 30: A United Launch Alliance Delta 2 rocket to launch GPS 2R-20 global positioning system satellite for the U.S. Air Force in a space shot staged from Cape Canaveral Air Force Base in Cape Canaveral, Fla.

July 2: An Atlas 5 rocket carrying the Defense Meteorological Satellite Program 18 spacecraft to launch from Vandenberg Air Force Base in California.

July 15: The Interstellar Boundary Explorer (IBEX) spacecraft to launch spaceward atop Orbital Sciences' air-loaunched Pegasus XL rocket from the Reagan Missile Test Site on the Kwajalein Atoll in the equatorial waters of the Pacific Ocean.

July 25: A United Launch Alliance Delta 4-Heavy booster to launch the NROL-26 satellite, a classified payload for the U.S. National Reconnaissance Office, from the Cape Canaveral Air Force Station in Cape Canaveral, Fla.

July 29: A Russian-built Kosmos 3M rocket tolaunch the SAR-Lupe 5 radar spy satellite for the German military from Plesetsk Cosmodrome in Russia. 11:12 p.m. EDT (0312 July 30 GMT).

August 2: A United Launch Alliance Atlas 5 rocket to launch the second Wideband Global SATCOM satellite from Cape Canaveral, Fla.

August 12: A Russian Soyuz rocket to launch the unmanned Progress 30 cargo ship toward the International Space Station from Baikonur Cosmodrome in Kazakhstan.

August 22: A United Launch Alliance Delta 2 booster to launch the GeoEye 1 Earth-watching satellite from California's Vandenberg Air Force Base.

*NET August 28: NASA's space shuttle Atlantis to launch on the STS-125 Hubble Servicing Mission to the Hubble Space Telescope. 9:38 p.m. EDT (0138 Aug. 29 GMT).

September 10: A Russian Soyuz rocket to launch the unmanned Progress 31 cargo ship toward the International Space Station from Baikonur Cosmodrome in Kazakhstan.

September 11: A United Launch Alliance Delta 2 booster to launch the GPS 2R-21 navigation satellite for the U.S. military from Cape Canaveral Air Force Base in Florida.

September 14: An Orbital Sciences Minotaur rocket to launch the TacSat 3 research satellite for the Air Force Research Laboratory from the Mid-Atlantic Regional Spaceport on Wallops Island, Virginia.

October 12: A Russian Soyuz rocket to launch the Soyuz TMA-13 spacecraft toward the International Space Station from Baikonur Cosmodrome, Kazakhstan with the Expedition 18 crew and U.S. space tourist Richard Garriott aboard.

*NET October 16: NASA's space shuttle Endeavour to launch on the STS-126 cargo flight to the International Space Station.

October 28: NASA's Lunar Reconnaissance Orbiter (LRO) and the Lunar Crater Observation and Sensing Satellite (LCROSS) to launch atop a United Launch Alliance Atlas 5 rocket from Cape Canaveral Air Force Station in Cape Canaveral, Florida.

October 31: An Ariane 5 rocket to launch the European Space Agency's Herschel and Planck spacecraft into orbit from Guiana Space Center in Kourou, French Guiana.

November 5: A United Launch Alliance Delta 4 booster to loft the GOES-O Earth watching satellite into geosynchronous orbit from Cape Canaveral Air Force Base in Cape Canaveral, Fla.

November 26: A Russian Soyuz rocket to launch the unmanned Progress 32 cargo ship toward the International Space Station from Baikonur Cosmodrome in Kazakhstan.

*NET December 4: NASA's space shuttle Discovery to launch toward the International Space Station on the STS-119 mission from Kennedy Space Center in Cape Canaveral, Fla.

December 15: The Orbiting Carbon Observatory to launch its Earth-observing mission for NASA atop an Orbital Sciences's Taurus boosted from California's Vandenberg Air Force Base.

Other upcoming 2008 launches expected in but no firm date set:

Summer: A Rockot booster to launch the European Space Agency's GOCE satellite to study Earth's gravity field in a space shot to be staged from Plesetsk Cosmodrome in northern Russia.

May: A Sea Launch Zenit 3SK rocket to launch the Galaxy 18 telecommunications satellite from the Odyssey launch platform on the equatorial waters of the Pacific Ocean.

May: NASA's Gamma-ray Large Area Space Telescope (GLAST) to launch atop a United Launch Alliance Delta 2 rocket from Cape Canaveral Air Force Station in Cape Canaveral, Florida..

Second Quarter: The Space Tracking and Surveillance System (STSS) ATRR satellite to launch atop a United Launch Alliance Delta 2 booster from Cape Canaveral Air Force Base in Cape Canaveral, Fla.

Third Quarter: The Space Tracking and Surveillance System (STSS) Demonstration satellite to launch atop a United Launch Alliance Delta 2 booster for the Missile Defense Agency from Cape Canaveral Air Force Base in California's Vandenberg Air Force Base.

Third Quarter: A Sea Launch Zenit 3SL rocket to launch the Echostar 11 television broadcast satellite from the Odyssey launch platform on the equatorial waters of the Pacific Ocean.

June: A Russian-built Kosmos 3M rocket to launch six ORBCOMM satellites from Kasputin Yar, Russia.

July: An Indian Polar Satellite Launch Vehicle to loft the Chandrayaan-1 lunar orbiter toward the Moon from the Satish Dhawan Space Centre in Sriharikota, India.

Third Quarter: A United Launch Alliance Delta 2 rocket to orbit the Block 2010 research spacecraft for the U.S. Missile Defense Agency from California's Vandenberg Air Force Base.

August: A United Launch Alliance Delta 4 rocket to orbit the NROL-25 satellite spaceward from California's Vandenberg Air Force Base.

October: A Rockot booster to launch the European Space Agency's Soil Moisture and Ocean Salinity (SMOS) mission along with the Proba-2 microsatellite from Plesetsk Cosmodrome in northern Russia.

Fourth Quarter: A United Launch Alliance Atlas 5 rocket to launch the third Wideband Global SATCOM satellite from Cape Canaveral, Fla.

December: The European Space Agency's Vega rocket booster to make its launch debut.

Third Quarter: A Japanese H-2A rocket to launch the Greenhouse gases Observing SATellite (GOSAT) for the Japan Aerospace Exploration Agency (JAXA) from the Tanegashima Space Center in Tanegashima, Japan.

December: The first Space Weather Research Network mission in NASA's Living With a Star Program - SDO - to launch atop a United Launch Alliance Atlas 5 rocket from Cape Canaveral Air Force Station in Cape Canaveral, Fla.

* NET = No earlier than