Delta 4 – Page 16 – Spaceflight Now

Preview: Enhanced rocket engine to power Delta 4 first stage Wednesday

July 19, 2015 Justin Ray

Using a new, uprated main engine for the first time on a rocket of its kind, a United Launch Alliance Delta 4-Medium+ vehicle will soar into space Wednesday night carrying a $566 million Air Force communications satellite.

Delta 4/WGS 7 launch timeline

July 19, 2015 Justin Ray

Follow the Delta 4 rocket’s ascent into orbit from Cape Canaveral’s Complex 37 launch pad with the U.S. Air Force’s WGS 7 communications satellite.

Photos: WGS 7 readied for launch

July 18, 2015 Justin Ray

This collection of photographs shows the Air Force’s Wideband Global SATCOM communications satellite No. 7 being encapsulated in the United Launch Alliance Delta 4 nose cone and hoisted atop the rocket for launch July 22.

Air Force communications satellite joined to Delta 4 for July 22 launch

July 9, 2015 Justin Ray

For the second time this week, United Launch Alliance has delivered an Air Force payload to one of its Cape Canaveral pads for liftoff in July.

Launch campaign underway for next Air Force Delta 4 rocket

June 17, 2015 Justin Ray

With the Delta 4 rocket now waiting on the launch pad, its Air Force Wideband Global SATCOM communications satellite payload has jetted from the Los Angeles factory to the Cape Canaveral in preparation for liftoff this summer.

ULA, SpaceX face off in landmark Air Force launch competition

May 13, 2015 Stephen Clark

The U.S. Air Force has identified the launch of a next-generation GPS navigation satellite for the first in a series of competitive rocket procurements between United Launch Alliance and SpaceX, service officials announced Wednesday.

Next round of U.S. optical spy satellites to start launching in 2018

May 1, 2015 Justin Ray

The covert follow-on satellite program that will serve as a replacement to the nation’s surveillance “eyes” from space begins launching in 2018 from Vandenberg Air Force Base in California.

Newest GPS satellite goes into service

April 21, 2015 Justin Ray

The world’s population can now make full use of the latest Global Positioning System satellite launched from Cape Canaveral last month.

Stats: Atlas 5 and Delta 4 histories and backlogs (updated April 20)

April 21, 2015 Justin Ray

Here’s a look by the numbers of the previous Atlas 5 and Delta 4 flight histories and the manifests for both rockets.

ULA working to reduce five launch pads to two

April 9, 2015 Justin Ray

The nation’s existing Atlas and Delta launch sites are vying for a future when United Launch Alliance completes its modernization with a new rocket system and downsizing to one pad on each coast.