November 14, 2019

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

December 28, 2018

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

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.

Live coverage: Delta 4-Heavy launch scrubbed again

December 7, 2018

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.

SpaceX launches swarm of satellites, flies rocket for third time

December 3, 2018

Setting new commercial launch and satellite industry records, a SpaceX Falcon 9 rocket propelled by a first stage booster launched and recovered two times before soared into a clear morning sky over California’s Central Coast on Monday with 64 small satellites, then returned to a pinpoint landing on a vessel parked offshore in the Pacific Ocean, potentially to be flown again.

Spaceflight’s 64-satellite rideshare mission set to last five hours

December 3, 2018

When SpaceX’s Falcon 9 rocket takes off with 64 small satellites — a payload cache representing 34 customers in 17 nations — it will be just the first act in a nearly five-hour sequence to deftly deploy each of the spacecraft, which range in size from a Rubik’s cube to a refrigerator.

Photos: Twice-flown Falcon 9 rocket prepared for third mission

December 3, 2018

SpaceX is readying a Falcon 9 rocket booster for launch Monday at Vandenberg Air Force Base, California, on a record-setting mission with 64 smallsats on-board that will also mark the launch provider’s first use of the same first stage for a third flight.

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