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 […]

'Most Serious and Significant Work': 25 Years Since the Secret Mission of STS-38 (Part 1)

The STS-38 crew consisted of (from left) Pilot Frank Culbertson, Mission Specialists Carl Meade, Bob Springer and Sam Gemar, and Commander Dick Covey. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

A quarter-century ago, the world stood on the brink of outright conflict in the Middle East, following the August 1990 invasion of Kuwait by the […]

Many Twists and Turns: 25 Years Since STS-41 Sent Ulysses to the Sun (Part 1)

Ulysses drifts serenely above Earth in the moments after deployment on 6 October 1990, 25 years ago, this week. Shortly after this image was taken, the attached Inertial Upper Stage (IUS) and Payload Assist Module (PAM)-S boosters would propel the craft faster than any previous man-made object out of Earth’s gravitational clutches. Photo Credit: […]

'This True American Icon': Remembering Atlantis on 30th Anniversary of Maiden Flight (Part 5)

The final launch, Atlantis STS-135. Photo Credit: Alan Walters / AmericaSpace

A string of “Go” calls—interspersed with an occasional poignant remark about the contributions of the Space Shuttle program over three decades of operational service—reached the ears of Launch Director Mike Leinbach, seated at his console in the Launch Control Center (LCC) at the […]

Cosmic Ballet: Remembering Atlantis on 30th Anniversary of Maiden Flight (Part 4)

 

Between June 1995 and October 1997, Atlantis completed no fewer than seven dockings with Russia’s Mir space station, more than twice as many as any of her sister orbiters combined. Photo Credit: NASA

Thirty years ago, this week, in October 1985, Atlantis became the fourth member of NASA’s Space Shuttle fleet to launch […]

On Opposing Sides of Tragedy: Remembering Atlantis on 30th Anniversary of Maiden Flight (Part 3)

Jerry Ross participates in the assembly of the EASE and ACCESS structures on Mission 61B in the fall of 1985. Ross became the first person to fly Atlantis twice and three times and is the only human to have flown her on as many as five occasions. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Thirty […]

'I'm Not Worthy': Remembering Atlantis on 30th Anniversary of Maiden Flight (Part 2)

During almost 26 years of operational service, Atlantis flew 33 missions, travelled an estimated 125.9 million miles (202.7 million km), circled Earth 4,848 times, and spent over 306 cumulative days in orbit. She is the second most-flown member of NASA’s shuttle fleet, after Discovery. Photo Credit: NASA

For the crew of STS-132, it was […]

Red Dog's Pack: 20 Years Since STS-69 (Part 2)

Spectacular view of Hurricane Marilyn, centered over the Caribbean Sea, during the STS-69 mission in September 1995. Photo Credit: NASA

Two decades have now passed since an 11-day period in September 1995, when the “Dogs of War” barked, woofed, and yelped their way through a remarkable mission which put virtually all of the space […]

Red Dog's Pack: 20 Years Since STS-69 (Part 1)

Mike Gernhardt, pictured during his EVA with fellow astronaut Jim Voss, on STS-69. Photo Credit: NASA

On the morning of 7 September 1995—20 years ago, last week—five astronauts, clad in bulky orange pressure suits, departed the Operations & Checkout (O&C) Building at the Kennedy Space Center (KSC), bound for Pad 39A and their ride […]

Orbital ATK Signs Contract to Provide Launch Abort Motor for Orion

An expanded view of NASA’s Orion Multi-Purpose Crew Vehicle, showing the crew module, service module, launch escape system, and protective fairings.” Image Credit: NASA

On Tuesday, July 7, Orbital ATK signed a contact with Lockheed Martin to provide the solid rocket motor for the launch abort system of NASA’s Orion Multi-Purpose Crew Vehicle. The […]