February 26, 2020

Recap story: New bird flies for GPS navigation network

March 25, 2015

Climbing away from Earth on the power of its liquid hydrogen-fueled main engine and twin solid rockets, a Delta 4 booster successfully launched a new Global Positioning System satellite Wednesday to benefit U.S. military operations and civilian society as a whole.

Photos: Delta 4’s foggy launch

March 25, 2015

The 721,000-pound United Launch Alliance Delta 4 rocket launches on-time at 2:36 p.m. EDT Wednesday into a deck of low-hanging clouds over Complex 37 at Cape Canaveral Air Force Station carrying the GPS 2F-9 navigation satellite.

Video: Delta 4 lifts off

March 25, 2015

A United Launch Alliance Delta 4 rocket was launched on-time today at 2:36 p.m. EDT carrying a new Global Positioning System spacecraft to advance the navigation network with every launch.

Photos: Delta 4 awaits blastoff

March 24, 2015

The United Launch Alliance Delta 4 rocket sits peacefully inside its mobile service gantry on Tuesday afternoon, one day before its scheduled launch of the GPS 2F-9 navigation satellite.

ULA wants you to help pick name of new rocket

March 23, 2015

Eagle? Freedom? GalaxyOne? United Launch Alliance wants public input in the naming of a next-generation launcher designed to replace the historic Atlas and Delta rocket lines in the 2020s.

Delta 4-Heavy selected for launch of solar probe

March 18, 2015

A NASA spacecraft that will fly closer to the sun than any mission before will launch on a Delta 4-Heavy rocket in 2018, requiring a boost from the largest active launcher in the U.S. inventory and repeated flybys around Venus to reach an operating post inside the solar atmosphere.

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