Delta – Page 2 – Spaceflight Now

ULA plans to ring in the weekend with Friday evening launch

March 13, 2019 Stephen Clark

United Launch Alliance ground crews are putting the final touches on a Delta 4 rocket scheduled for blastoff Friday evening from Cape Canaveral with a U.S. Air Force communications satellite.

Delta 4-Heavy launch with spy satellite pushed back to January

December 28, 2018 Stephen Clark

After unusual concentrations of hydrogen around the rocket foiled a launch attempt Dec. 19, United Launch Alliance said Friday that the company’s powerful Delta 4-Heavy launcher and a U.S. government spy satellite will remain grounded in California until at least Jan. 6 as engineers troubleshoot a small fuel leak.

Delta 4-Heavy countdown aborted moments before launch

December 9, 2018 Stephen Clark

A dramatic automatic abort 7.5 seconds before the planned liftoff of a United Launch Alliance Delta 4-Heavy rocket Saturday night kept the towering launcher on the pad at Vandenberg Air Force Base, California, with a top secret spy payload for the National Reconnaissance Office.

Photos: Delta 4-Heavy poised for launch with U.S. spy satellite

December 8, 2018 Stephen Clark

A United Launch Alliance Delta 4-Heavy rocket stands 233 feet tall at Space Launch Complex-6 at Vandenberg Air Force Base, California, ready for liftoff Saturday night carrying a top secret U.S. government spy satellite into orbit.

Live coverage: Delta 4-Heavy launch scrubbed again

December 7, 2018 Stephen Clark

United Launch Alliance called off the planned liftoff of a Delta 4-Heavy rocket and a classified National Reconnaissance Office spy satellite from Vandenberg Air Force Base in California on Wednesday after indications of elevated hydrogen concentrations around one of the launcher’s main engines. Three previous launch attempts were scrubbed by technical concerns and bad weather.

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.