ULA test-fires new Vulcan Centaur rocket on the launch pad for 1st … – Space.com

United Launch Alliance (ULA)’s next-generation Vulcan Centaur rocket just took a big step toward its debut launch.

The Vulcan Centaur aced a crucial engine test tonight (June 7), firing up its two first-stage engines on the launch pad at Cape Canaveral Space Force Station in Florida.

The brief test, called a flight readiness firing (FRF), took place at 9:05 p.m. EDT (0105 GMT on June 8).

“The engine start sequence began at T-4.88 seconds, the engines throttled up to the target level for two seconds and then powered down. The entire FRF lasted for six seconds,” ULA wrote in an update tonight.

Related: Vulcan Centaur rocket: The space workhorse of tomorrow

The 202-foot-tall (62-meter) Vulcan Centaur is ULA’s rocket of the future, the replacement for the company’s venerable Atlas V and Delta IV launch vehicles.

Vulcan Centaur is powered by two of Blue Origin‘s BE-4 engines in its first stage and two RL-10 engines in its upper stage, and the vehicle can accommodate up to six strap-on…

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