George Spohrer and Ron Delevan, owner of RMDI Locomotive Services at the Coxton Railyard in Duryea, are shown in front of Vulcan Engine No. 4385. Vulcan Engine No. 4385, which weighs over 45 tons, was ...

A Centaur upper stage powered by two RL10 engines. Credit: Aerojet Rocketdyne WASHINGTON — Aerojet Rocketdyne announced April 11 it has received an order from United Launch Alliance for 116 engines ...

Update for 4 p.m. ET on May 25: United Launch Alliance (ULA) is standing down from the planned Flight Readiness Firing (FRF) test of its new Vulcan Centaur rocket today (May 25). "During the countdown ...

The Vulcan to the Sky Trust (VTST) has announced that the iconic Avro Vulcan XH558 will once again perform public engine runs at Doncaster Sheffield Airport in 2026. This marks a significant moment ...

CAPE CANAVERAL, Fla. — Despite poor weather pushing back the time of its booster engine flight readiness firing (FRF) test, United Launch Alliance was able to complete the test of the company’s Vulcan ...

United Launch Alliance vehicles display at the 36th Space Symposium, Colorado Springs / Credit: Tom Kimmell Photography COLORADO SPRINGS — The head of the U.S. Space Force launch enterprise said it is ...

The Vulcan rocket took a critical step toward its much-anticipated debut launch last week with a successful engine-firing test. However, one critical issue remains unresolved before the large booster ...

The first of two Blue Origin-manufactured engines for United Launch Alliance’s (ULA) new Vulcan rocket completed full-duration static firing in Texas, clearing the way for shipment to ULA’s factory in ...

Update: (9:45 p.m. EDT, Wednesday, June 7) United Launch Alliance successfully completed a six-second engine test fire of the Vulcan rocket at 9:05 p.m. EDT at Cape Canaveral Space Force Station.