United Launch Alliance – Spaceflight Now

Photos: Final Delta 2 rocket assembled for launch in California

August 16, 2018

The step-by-step stacking of United Launch Alliance’s final Delta 2 rocket was completed in June at Vandenberg Air Force Base in California for liftoff Sept. 15 with an Earth science satellite for NASA.

Tanking test marks resumption of Delta 2 rocket’s final launch campaign

August 16, 2018

A team of United Launch Alliance and NASA engineers worked through Delta 2 launch day fueling procedures during a simulated countdown Wednesday for what should be the second-to-last time before the venerable rocket’s final liftoff next month from California’s Central Coast.

Video replay: Parker Solar Probe launches atop Delta 4-Heavy

August 15, 2018

Watch a video replay of NASA’s Parker Solar Probe lifting off from Cape Canaveral Air Force Station’s Launch Complex 37 atop a United Launch Alliance Delta 4 Heavy on August 12, 2018.

Photos: Delta 4-Heavy takes off from Cape Canaveral

August 13, 2018

Driven by three RS-68A main engines, a United Launch Alliance Delta 4-Heavy rocket lifted off early Sunday from Cape Canaveral carrying NASA’s Parker Solar Probe on a historic mission to study the sun.

NASA launches Parker Solar Probe on historic mission

August 12, 2018

Running a day late, a United Launch Alliance heavy-lift Delta 4 rocket thundered away from Cape Canaveral early Sunday, boosting NASA’s $1.5 billion Parker Solar Probe into space on a daring seven-year mission to “touch the sun” with repeated trips through the star’s blazing outer atmosphere.

Launch of solar probe scrubbed by technical issue in terminal countdown

August 11, 2018

An automatic alarm in the final two minutes of the Delta 4-Heavy rocket’s countdown early Saturday forced officials to delay blastoff with NASA’s Parker Solar Probe by 24 hours.

Photos: Delta 4-Heavy revealed for solar probe launch

August 11, 2018

These photos taken Friday evening show the mobile gantry being wheeled away from a United Launch Alliance Delta 4-Heavy rocket at Cape Canaveral, hours before its scheduled blastoff with NASA’s Parker Solar Probe.

Delta 4-Heavy launch timeline with Parker Solar Probe

August 11, 2018

A United Launch Alliance Delta 4-Heavy rocket, crowned by a solid-fueled upper stage kick motor, will send NASA’s Parker Solar Probe on a speedy voyage through the inner solar system following liftoff from Cape Canaveral.

Watch the Parker Solar Probe pre-launch mission briefing

August 10, 2018

NASA held a pre-launch briefing for the Parker Solar Probe mission on Thursday, August 9, 2018, at the Kennedy Space Center.

Live coverage: Delta 4-Heavy launches with NASA solar probe

August 10, 2018

A United Launch Alliance Delta 4-Heavy rocket climbed into space Sunday with NASA’s Parker Solar Probe on a daring mission to explore the atmosphere of the sun. Liftoff from Cape Canaveral occurred at 3:31 a.m. EDT (0731 GMT).