The last European Ariane 5 rocket to reach the launch pad for the final countdown – Spaceflight Now

The last Ariane 5 rocket to reach the launch pad for the latest satellite delivery mission. Image: Arianespace.

The last Ariane 5 rocket moved to the launch pad Monday at the Guyana Space Center, European spaceport in South America. Ariane 5, for years the world’s leading commercial satellite launcher, is scheduled to lift off on Tuesday, carrying a French military satellite and a communications technology test spacecraft for Germany.

Propelled by a 540-horsepower diesel-powered tractor, the 180-foot (54.8-meter) Ariane 5 rocket was lifted from the final assembly building at the Jungle launch site and traveled along rails to the ELA-3 launch area. The 1.7-mile (2.7 km) ride took about two hours. With the rocket in place on the pad, technicians will connect the mobile launch table to the ground fuel lines that will feed the rocket with liquid hydrogen and liquid oxygen during the countdown.

This final mission, designated VA261, is scheduled to take off at a 95-minute launch window that opens at 6:30 p.m. KURU (5:30 p.m. EDT/2130 UTC) on Tuesday. Ariane 5 will carry the Heinrich-Hertz and Syracuse 4B satellites into geostationary transfer orbit from the Guyana Space Center on the northeastern coast of South America.

The Ariane 5 rocket approached the launch pad after being towed along the tracks from the final assembly building. Image: Arianespace.

The Syracuse 4B, built by Airbus, will transmit secure communications between French military aircraft, ground vehicles and naval vessels, including submarines. It was built by an industrial consortium formed by Thales Alenia Space and Airbus Defense and Space. The Heinrich Hertz satellite, built by OHB, will test new communications technologies on a mission funded by the German space agency, DLR. The spacecraft features onboard processors that can be reprogrammed to use new communication protocols as they are developed.

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This last mission will be the Ariane 5 rocket’s 117th since its introduction in 1996. The European rocket, marketed by Arianespace, was once dominant in commercial launches, but Elon Musk’s SpaceX’s low-cost launch services have eroded Signed.

The retirement of Ariane 5 would leave Europe for the time being without its own independent access to space. The new Ariane 6 vehicle is not expected to make its inaugural launch until 2024, years later than planned, and the Vega C small satellite launcher has been grounded since the December 2022 failure. In addition, Russia’s invasion of Ukraine ended a collaborative project that launched Soyuz missiles. From the port of French Guiana in Europe.

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