First Hundred, Next Hundred: ULA Celebrates Centenary, Readies for Challenges Ahead

A ULA Atlas-v rocket thunders skyward from Cape Canaveral AFS with a top-secret payload for the National Reconnaissance Office on April 10 2014. Mission NROL-67. Photo Credit: Alan Walters/AmericaSpace

With the dust having barely settled on the East Coast, following the Oct. 2 pre-dawn liftoff of its 100th mission—carrying Mexico’s Morelos-3 communications satellite from […]

Dream Chaser Readies to Spread Its Wings Again, SNC Looks Toward First Orbital Flight Test

SNC technicians inspect the Dream Chaser engineering test article (ETA). A second advanced composite orbital vehicle is also being worked, which when tested will undergo a suborbital and orbital flight regimen, respectively. Flight testing is scheduled to resume sometime in 2016. Photo Credit: SNC

Sierra Nevada Corporation (SNC) may not have been awarded a […]

OSIRIS-REx Taking Shape, Engineers Explain Innovative Asteroid Sample Return Mechanism

Artist concept of OSIRIS-REx. Image Credit: NASA/Goddard/University of Arizona

Artist concept of OSIRIS-REx in the environs of Asteroid Bennu, sometime after 2018. Image Credit: NASA/Goddard/University of Arizona

While avid space watchers may thrill to missions such as Stardust (which returned a sample from a comet), Dawn (which visited an asteroid and dwarf planet), and Rosetta (which placed a lander upon a comet’s surface), […]

ULA Atlas-V Propels MUOS-4 Satellite Into Space, Air Force and Congress Shudder Over Threats to Russian RD-180

A ULA Atlas-V 551 rocket launches the Navy’s MUOS-4 satellite to orbit from Cape Canaveral, Fla., on Sept. 2, 2015. Photo Credit: John Studwell / AmericaSpace

A Russian RD-180-powered United Launch Alliance (ULA) Atlas-V 551 rocket successfully launched the 7.5-ton Lockheed Martin/Navy Mobile User Objective System (MUOS 4) satcom into geosynchronous transfer orbit early […]

Fourth Navy MUOS Launch Readied for Wednesday Amid GAO Concerns About Project

ULA’s most powerful Atlas-V rocket, the Atlas 551, standing tall atop SLC-41 for a Wednesday morning launch attempt. Photo Credit: ULA

A United Launch Alliance (ULA) Atlas-V rocket is poised to fire the Navy’s Mobile User Objective System (MUOS-4) satellite into geosynchronous transfer orbit from Cape Canaveral Air Force Station, Fla., as early as […]

Navy's MUOS-4 Encapsulated for Launch on ULA's Most Powerful Atlas-V Rocket Aug. 31

MUOS-4, the next satellite scheduled to join the U.S. Navy’s Mobile User Objective System (MUOS) secure communications network, has been encapsulated in its protective launch vehicle fairing for its Aug. 31 launch from Cape Canaveral Air Force Station. Photo Credit: ULA

The fourth in a Lockheed Martin-built, five-ship fleet for a next-generation, narrowband tactical […]

Air Force Weather Satellite’s Breakup Blamed on Wiring Harness Compression in Battery Charge Assembly

DMSP Air Force weather satellite is depicted in polar orbit near Alaska. Image Credit: Lockheed Martin

A U.S. Air Force review into the Feb. 3 loss of Defense Meteorological Satellite Program (DMSP) Flight 13 determined a failure of the spacecraft’s battery charger as the likely cause of the satellite’s failure and structural breakup.

Analysis […]

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 […]

NAVY's 7.5-Ton MUOS-4 Satellite Arrives in Florida for August Launch on Most Powerful Atlas-V

On June 28, MUOS-4, the next satellite scheduled to join the U.S. Navy’s Mobile User Objective System (MUOS) secure communications network, shipped to Cape Canaveral from Lockheed Martin’s satellite manufacturing facility in Sunnyvale, Calif. Launch is currently scheduled for no earlier than Aug. 27. Photo Credit: Lockheed Martin

The fourth in a Lockheed Martin-built, […]

NAVY's MUOS-3 Relocates for On-Orbit Operations as MUOS-4 Prepares for Late-Summer Launch

MUOS-4, the next satellite scheduled to join the U.S. Navy’s new MUOS secure communications network later this year, is in final assembly and test at Lockheed Martin’s satellite manufacturing facility in Sunnyvale, Calif. Photo Credit: Lockheed Martin

The third in a Lockheed Martin-built five-ship fleet for a next-generation, narrowband tactical military satellite communications system […]