Firing Up the Shuttle: 25 Years Since the Last Flight Readiness Firing (Part 2)

Each Flight Readiness Firing (FRF) presented the opportunity to extensively test the Space Shuttle Main Engines (SSMEs) in as close to real-flight operations. Photo Credit: NASA

A quarter-century ago, on 6 April 1992, the roar of three Space Shuttle Main Engines (SSMEs) echoed across the marshy landscape of the Kennedy Space Center (KSC) in […]

Firing Up the Shuttle: 25 Years Since the Last Flight Readiness Firing (Part 1)

Before each orbiter’s maiden voyage, the Space Shuttle Program completed a Flight Readiness Firing (FRF) of the three main engines. The last FRF, by Endeavour, occurred 25 years ago, this week. Photo Credit: NASA

“T-minus 31 seconds…Endeavour’s four redundant computers have primary control of critical vehicle functions for the remainder of the count…”

Twenty-five […]

NASA-Stennis Observes 50th Anniversary of First Saturn V Test-Firings

A colossal pall of smoke rises above the A-2 Test Stand at the Mississippi Test Facility on 23 April 1966, as NASA test-fires the J-2 engines for the S-II second stage of the Saturn V. Fifty years later, as Stennis Space Center, the journey continues. Photo Credit: NASA

Fifty years ago, tomorrow, on 23 […]

NASA Contracts With Aerojet Rocketdyne to Restart RS-25 Engine Production for SLS

The opening salvo of four Space Launch System (SLS) flights, beginning with Exploration Mission (EM)-1 in November 2018, will contain a core stage powered by four clustered RS-25D engines. Image Credit: NASA

More than four years since three of its kind were last fired in anger, on 8 July 2011, to deliver Atlantis’ STS-135 […]

Firing Up the Shuttle: Looking Back at the Flight Readiness Firings (Part 2)

For the final time in the 30-year shuttle program, Endeavour’s engines blaze for their Flight Readiness Firing (FRF) on 6 April 1992. Photo Credit: NASA

“Three engines up. All going well.”

Thirty years ago, last week, the three Space Shuttle Main Engines (SSMEs) of the orbiter Atlantis roared to life and burned fiercely for […]

Is The Future Bright for Aerojet Rocketdyne?

A row of Rocketdyne-built RS-25 Space Shuttle Main Engines just before being shipped to Stennis Space Center for use on the Space Launch System program. Photo Credit: Alan Walters / awaltersphoto.com

Last week, California-based Aerojet and Pratt & Whitney Rocketdyne—the two premier rocket-power providers in the United States—finalized their merger, almost a year after […]