Russia Loses Contact With Satellite After Rocket Launch

Proton rocket raised into launch position.
A Russian Proton rocket is hoisted into launch position for the Aug. 17 launch of the new Express AM4 communications satellite from Baikonur Cosmodrome in Kazakhstan. (Image credit: Russian Federal Space Agency (Roscosmos))

Russia's Federal Space Agency lost contact with a new communications satellite shortly after it launched into space due to an apparent communication glitch on the spacecraft's rocket, Russia's space agency has reported.

The satellite, called Express-AM4, blasted off atop a Proton rocket on Wednesday (Aug. 17) at 5:25 p.m. EDT (2125 GMT) from the central Asian spaceport of Baikonur Cosmodrome in Kazakhstan, where it was early Thursday morning local time.

According to a translated statement posted in Russian to the country's Federal Space Agency website, officials said flight controllers lost contact with the satellite due to an apparent communications problem with the Proton rocket's Breeze M upper stage. Later, another statement suggested that the rocket stage may have been found though the status of the Express-AM4 satellite was unclear. [50 Great Russian Rocket Launch Photos]

The new rocket malfunction is the latest of several embarrassing Russian launch failures or incidents for Russia's space program in a single year.

Then on Feb. 1, a different rocket launched a new Russian military satellite called Geo-IK 2 into the wrong orbit. After a day of searching, Russia's military was able to reestablish communication with the satellite to confirm it was not in its intended orbit.

The Express-AM4 satellite is the largest Express-series communications satellite for the Russian Satellite Communications Company, which is responsible for Russia's federal TV and radio broadcasts. [Related: 7 Rocket Launches in 7 Days]

Tariq Malik
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Tariq is the award-winning Editor-in-Chief of Space.com and joined the team in 2001. He covers human spaceflight, as well as skywatching and entertainment. He became Space.com's Editor-in-Chief in 2019. Before joining Space.com, Tariq was a staff reporter for The Los Angeles Times covering education and city beats in La Habra, Fullerton and Huntington Beach. He's a recipient of the 2022 Harry Kolcum Award for excellence in space reporting and the 2025 Space Pioneer Award from the National Space Society. He is an Eagle Scout and Space Camp alum with journalism degrees from the USC and NYU. You can find Tariq at Space.com and as the co-host to the This Week In Space podcast on the TWiT network. To see his latest project, you can follow Tariq on Twitter @tariqjmalik.