Delta IV Heavy NROL-44 Launch Scrubbed, Will Try Again Saturday

@ULALaunch & @NatReconOfc has scrubbed & rescheduled for Friday. […]

As One Year Passes Since 'First-Last' Delta IV Mission, NROL-44 Readies for Wednesday Launch

As @ULALaunch observes 1st anniversary of the “first-last” Delta IV mission, #MajesticDelta has 5 more Delta Heavy tricks up its sleeve before retirement comes a’calling. […]

Delta IV Medium Launches into Retirement with 'Magellan' GPS III Satellite for USAF

For the 29th and final time, a United Launch Alliance (ULA) Delta IV Medium booster took flight Thursday, 22 August to deliver the second Block III Global Positioning System (GPS) satellite to Medium Earth Orbit (MEO) for the U.S. Air Force. Photo: Jeff Seibert / AmericaSpace.com

For the 29th and final time, a United […]

ULA Set to Launch Last Single-Stick Delta IV Thursday with 'Magellan' GPS III Satellite

For the final time on Thursday, a “single-stick” ULA Delta IV Medium rocket will roar to space, this time with the GPS III ‘Magellan’ satellite for the U.S. Air Force, ending a career which has delivered a smorgasbord of military, civilian & scientific payloads to space over the course of a spectacular 17-year history. Photo […]

Penultimate Single-Stick Delta IV to Launch USAF WGS-10 on Friday

Friday’s mission will be the first flight of the Delta IV Medium+ (5,4) since March 2017, which delivered the most recent Wideband Global Satcom to orbit. Photo Credit: Alan Walters / AmericaSpace

The Space Coast will be greeted by a rare spectacle on Friday evening (15 March), when United Launch Alliance (ULA) lofts […]

Long-Delayed Delta IV Heavy Lofts Heavyweight NROL-71 Spy Satellite

ULA’s first flight of 2019 sets off from Vandenberg Air Force Base, Calif., at 11:10 a.m. PST Saturday, 19 January. Photo Credit: Brian Sandoval/AmericaSpace

Although relegated last February to second place on the list of the world’s most powerful operational rockets—sitting behind SpaceX’s Falcon Heavy—the United Launch Alliance (ULA) Delta IV Heavy roared […]

Delta IV Medium+ (5,2) Launches Final Mission, Delivers Secretive NROL-47 Payload to Orbit

The final Delta IV Medium+ (5,2) takes flight at 2:11 p.m. PST Friday, 12 January. Photo Credit: ULA/Twitter

One of the least-used variants of the mighty Delta IV booster flew its final manifested mission today (Friday, 12 January), delivering the classified NROL-47 payload into orbit on behalf of the National Reconnaissance Office (NRO). […]

PHOTOS: Delta-IV Launches Multinational WGS-9 Into Twilight Skies

Liftoff of the U.S. Air Force WGS-9 satellite atop a ULA Delta-IV rocket from Cape Canaveral AFS Saturday night at 8:18pm EDT. Photo Credit: John Studwell / AmericaSpace.com

U.S. and allied military broadband satellite communications will be significantly bolstered by the successful launch from Cape Canaveral AFS of the Boeing/U.S. Air Force WGS-9 […]

Delta IV to Launch WGS-9 This Saturday After RS-68 Engine Problem

ULA is scheduled to launch a Delta-IV rocket with the U.S. Air Force WGS-9 satellite just after sunset this Saturday, March 18, from SLC-37B at Cape Canaveral AFS, FL. In this photo, a ULA Delta-IV lofts the WGS-7 satellite from the same location. Photo Credit: Alan Walters / AmericaSpace

A United Launch Alliance […]

Delta IV Propels WGS-8 Toward Secret GEO Location

Picture-perfect liftoff last night for United Launch Alliance and their Delta-IV rocket with the eighth U.S. Air Force / Boeing Wideband Global Satcom satellite (WGS-8), now en-route to a 22,300-mile geosynchronous orbit. Photo Credit: John Kraus / AmericaSpace

The most powerful Boeing/Air Force military communications spacecraft ever launched—the WGS 8 Wideband Global Satcom—is […]