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VideoUnited Launch Alliance narrowing lists of suspects in rocket anomaly
The detective work into the Atlas 5 rocket's first stage performance trouble during the Cygnus cargo ship launch a week ago has implicated the fuel system as the likely culprit for using up the liquid oxygen supply too quickly.
Photos: Cygnus goes from Cape Canaveral to the space station
This collection of official NASA photographs captures the United Launch Alliance Atlas 5 rocket rolling to the pad on Monday, successfully blasting off Tuesday and the Cygnus freighter arriving at the International Space Station on Saturday morning.
Videos: Preparing Atlas 5 and Cygnus for trip to space station
These narrated videos show the pre-launch preparations that readied the United Launch Alliance Atlas 5 rocket and the Orbital ATK Cygnus commercial cargo-delivery spacecraft for flight and rolling to Complex 41 for liftoff to the International Space Station.
Reviewers approve early design work on new Vulcan rocket
Work to create a new all-American rocket, the United Launch Alliance Vulcan-Centaur, has passed its first major hurdle for its first flight in three years, officials announced Thursday.
Pentagon opens investigation into contracts with ULA
The U.S. Defense Department's internal watchdog has opened a probe into whether the Pentagon's contracts with United Launch Alliance were properly awarded after a former ULA executive implied the government rigged a recent procurement in favor of the company.
Atlas 5 forced to improvise during Tuesday’s climb to orbit
The Centaur upper stage launching the Cygnus space freighter Tuesday persevered through a velocity shortfall from the first stage of the Atlas 5 rocket, improvising with a longer firing to reach the correct orbit.
Launch replays from Tuesday’s Atlas 5 flight with Cygnus
Relive Tuesday night's spectactular liftoff of the United Launch Alliance Atlas 5 rocket carrying the Cygnus cargo ship with this series of replays.
Atlas 5/Cygnus post-launch press conference
Watch the post-launch press conference held at the Kennedy Space Center following the successful launch of an Atlas 5 carrying Orbital ATK's Cygnus AO-6 cargo craft, which is headed to the International Space Station.
2nd Cygnus ship in three months rockets to orbit aboard Atlas 5
An Atlas 5 rocket successfully launched another Cygnus cargo freighter for Orbital ATK Tuesday night, fulfilling the booster's role of reestablishing America's resupply link to the International Space Station.
Photos: Cygnus soars aboard Atlas 5
More photos show the successful liftoff of the United Launch Alliance Atlas 5 rocket flight carrying the Cygnus commercial cargo spacecraft for Orbital ATK and the International Space Station.