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Mysterious mini spaceplane the next Atlas 5 payload
With its new homeport in renovated NASA space shuttle hangars off in the distance, the Air Force's X-37 mini spaceplane will be launched from Cape Canaveral on May 6 for its fourth journey into orbit.
Delta 4 rocket evolving to upgraded main engine
When the next Delta 4 rocket flies in July, as well as all future ones to come, the enhanced RS-68A main engine will power the boosters off the launch pad.
Photos: More shots of Delta 4 liftoff
The United Launch Alliance Delta 4 rocket roars off the pad with the Global Positioning System 2F-9 satellite. Photos by ULA.
Recap story: New bird flies for GPS navigation network
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
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.
VideoVideo: Delta 4 lifts off
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.
Live coverage: Delta 4 rocket launches with GPS satellite
A United Launch Alliance Delta 4 rocket lifted off Wednesday at 2:36 p.m. EDT (1836 GMT) from Cape Canaveral on a mission to place into orbit a fresh satellite for the Global Positioning System.
Photos: Delta 4 awaits blastoff
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.
Preview: 10 months, 4 launches to finish GPS Block 2F deployment
The final year of launches in the current breed of Global Positioning System navigation satellites kicks off Wednesday afternoon aboard a Delta 4 rocket from Cape Canaveral.
Stats: Delta 4 history and manifest
Here's a look by the numbers of the previous Delta 4 flight history and the remaining flights of the rocket named Delta.