AEHF 4 comsat for US military is successfully launched by an Atlas V

by | Oct 22, 2018 | Launches, Military space, Satellites, Seradata News

While the US Congress or the Russians themselves may not like it, a Russian RD-180 engine was used to successfully launch a US military communications satellite at 0415 GMT on 17 October. The 6,168 kg Advanced Extremely High Frequency satellite No. 4, (AEHF 4) satellite was launched from Cape Canaveral, Florida by a United Launch Alliance (ULA) operated Atlas V 551 rocket which uses the RD-180 as its main first stage engine.

Atlas V 551 launch of AEHF 4. Courtesy: ULA

 

Built by Lockheed Martin Space Systems with Northrop Grumman supplying the communications payload, the AEHF 4 satellite will operate in the Geostationary Earth Orbit (GEO). It was originally planned but was later cancelled after the US Air Force began its TSAT programme. However, when that was also cancelled, the AEHF 4 construction was reinstated. The spacecraft was to have been launched in October 2017, but had to be delayed after it was discovered that there was a fault in the satellite’s power regulation unit.

About Seradata

Seradata produce the renowned SpaceTrak Launch & Satellite Database. Trusted by 100 of the world’s leading Space organisations, SpaceTrak is a fully queryable database used for market analysis, failure/risk assessment, spectrum analysis and space situational awareness (SSA).

For more information go to www.seradata.com/spacetrak

Related Articles

About Rob Coppinger

Rob Coppinger is a recovering powerpoint user and engineer who mistakenly thought journalism was more glamorous than production engineering. He Read more

T+1 as Hyperbola launches itself far, far above the blogosphere

All things spaceflight industry get linked too and commented on in Hyperbola, the new blog from Flight's technical reporter Rob Read more

On-orbit propellant fever!!

Hyperbola is a technology orientated spaceflight blog from Flight technical reporter Rob Coppinger.

NASA gives public a new Dawn

Hyperbola is a technology orientated blog by flight technical reporter Rob Coppinger

While you’re waiting for that next Shuttle launch…

Hyperbola is a technology orientated spaceflight blog by Flight's technical reporter Rob Coppinger

Romania in space

Hyperbola is a technology orientated spaceflight blog by Flight technical reporter Rob Coppinger

Sputnik week’s first few news bites

Hyperbola is a technology orientated spaceflight blog by Flight technical reporter Rob Coppinger

News bites once more in this historic Sputnik week

Hyperbola is a technology orientated spaceflight blog by Flight's technical reporter Rob Coppinger

Categories

Archives