United Launch Alliance – Page 25

Launch timeline for Atlas 5’s AEHF 4 mission

October 16, 2018 Stephen Clark

A United Launch Atlas 5 rocket is set to launch the U.S. Air Force’s fourth Advanced Extremely High Frequency communications satellite from Cape Canaveral. This timeline shows the major mission events planned over a three-and-a-half-hour flight to an optimized geostationary transfer orbit.

Photos: Atlas 5 rocket transferred to launch pad in Florida

October 15, 2018 Stephen Clark

A day-and-a-half before its liftoff with a U.S. Air Force communications satellite, a United Launch Alliance Atlas 5 rocket rolled out to its launch pad at Cape Canaveral on Monday morning.

Safety panel says much work left to do before commercial crew ships fly

October 13, 2018 Stephen Clark

NASA safety advisors on Thursday lauded hardware milestones on Boeing and SpaceX commercial crew capsules, but said multiple technical issues, including problems with parachutes, must be resolved before the human-rated ships are ready to carry astronauts, adding that both companies continue to pursue schedules that appear to be unachievable.

No commercial crew test flights expected this year

October 6, 2018 Stephen Clark

NASA has released new target dates for test flights of commercial crew capsules in development by SpaceX and Boeing, with unpiloted demo missions by SpaceX’s Crew Dragon and Boeing’s CST-100 Starliner spaceships now scheduled for January and March, followed by crewed orbital missions in mid-2019.

Bezos rocket engine selected for new Vulcan rocket

September 28, 2018 William Harwood

Ending months of speculation, Blue Origin, a company owned by Amazon-founder Jeff Bezos, has won a milestone contract to provide first-stage rocket engines for a powerful new booster being designed by United Launch Alliance to replace its current fleet of Atlas and Delta launchers, the companies announced Thursday.

Photos: Final Delta 2 launch shines before dawn in California

September 21, 2018 Stephen Clark

Flying for the 155th and final time, a United Launch Alliance Delta 2 rocket took off from California on Sept. 15 with NASA’s ICESat 2 satellite.

Leftover Delta 2 rocket to go on display at Kennedy Space Center

September 15, 2018 Stephen Clark

United Launch Alliance plans to assemble leftover parts for a Delta 2 rocket display at the Kennedy Space Center Visitor Complex in Florida alongside other icons of U.S. rocketry, the company announced Saturday soon after the final Delta 2 launch.

Early morning launch closes book on Delta 2 legacy spanning nearly 30 years

September 15, 2018 Stephen Clark

A United Launch Alliance Delta 2 rocket fired away from a California military base and disappeared into an overcast cloud deck Saturday on its final flight, carrying a NASA research satellite into orbit and closing the book on a nearly 30-year legacy of launches.

Engineers say goodbye to society-changing Delta 2 rocket

September 14, 2018 Stephen Clark

When the first Delta 2 rocket took off on Valentine’s Day 1989, ideas like navigating by smartphone and driving robots on Mars were science fiction. More than 150 launches over the last 30 years helped change all that.

Live coverage: Final Delta 2 rocket launches from California

September 14, 2018 Stephen Clark

The final flight of a Delta 2 rocket, a mainstay of the U.S. launch industry for nearly 30 years, began at 6:02 a.m. PDT (9:02 a.m. EDT; 1302 GMT) from Vandenberg Air Force Base in California with NASA’s ICESat 2 Earth science satellite.