October 1, 2022

Delta 4-Heavy rocket deploys spysat on final planned mission from ‘Slick Six’

September 24, 2022

United Launch Alliance sent a triple-core Delta 4-Heavy with a top secret U.S. government spy satellite into orbit Saturday from California’s Central Coast, closing out a chapter in the tangled history of a launch pad originally built to support military astronaut missions on Titan rockets and space shuttles. Two more Delta 4-Heavy rockets are left in ULA’s inventory for launches in 2023 and 2024 from Cape Canaveral.

Live coverage: Delta 4-Heavy rocket launches from California

September 24, 2022

United Launch Alliance’s Delta 4-Heavy rocket lifted off from Vandenberg Space Force Base in California at 3:25 p.m. PDT (6:25 p.m. EDT; 2225 GMT) Saturday with a classified spacecraft for the National Reconnaissance Office, the U.S. government’s spy satellite agency. The heavy-lifter launched for the final time from California, with two more Delta 4-Heavy flights remaining from Cape Canaveral before the rocket’s retirement.

Photos: Delta 4-Heavy rocket on the launch pad in California

September 23, 2022

These views show United Launch Alliance’s 233-foot-tall Delta 4-Heavy rocket standing on Space Launch Complex-6 at Vandenberg Space Force Base in California on the eve of liftoff with a classified spy satellite for the National Reconnaissance Office. This will be the final Delta launch from the West Coast.

ULA readies Delta 4-Heavy rocket for weekend launch from California

September 19, 2022

United Launch Alliance’s ground team recently completed a countdown dress rehearsal and installed a classified spy satellite payload on top of a Delta 4-Heavy rocket at Vandenberg Space Force Base in California, readying the triple-body launcher for liftoff Saturday.

Spy satellite successfully launched from California military base

April 26, 2021

A United Launch Alliance Delta 4-Heavy rocket climbed into orbit Monday from a military base northwest of Los Angeles, delivering to space a classified U.S. government spy satellite as large as a school bus and leaving just three Delta rockets left to fly before retirement.

Live coverage: ULA’s heavy-lift rocket lifts off from California

April 26, 2021

A United Launch Alliance Delta 4-Heavy rocket lifted off from Vandenberg Air Force Base in California at 1:47 p.m. PDT (4:47 p.m. EDT; 2047 GMT) Monday with a classified satellite for the National Reconnaissance Office, the U.S. government’s spy satellite agency.

Delta 4-Heavy rocket erected on Vandenberg launch pad

March 8, 2021

United Launch Alliance recently raised a Delta 4-Heavy rocket, one of four left in the company’s backlog, vertical on its launch pad at Vandenberg Air Force Base in California in preparation for liftoff with a top secret U.S. government spy satellite at the end of April.

Delta 4-Heavy launches U.S. spy satellite after months of delays

December 11, 2020

Running more than three months late, a United Launch Alliance Delta 4-Heavy rocket took off Thursday and carried a U.S. government spy satellite into an orbit thousands of miles above Earth in the first mission from the newly-renamed Cape Canaveral Space Force Station.

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