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 […]

Parker Solar Probe Marks 1st Year with 50% More Data than Expected from Flybys of Sun

Artist’s conception of the Parker Solar Probe making a close flyby of the Sun. Image Credit: Steve Gribben/NASA/JH-APL

Today, August 12, is the first-year anniversary of the launch of NASA’s Parker Solar Probe (PSP), which is already revolutionizing our understanding of the nearest star, our Sun. PSP is conducting multiple close flybys, coming closer […]

ULA Lofts AEHF-5 Military Sentinel to Orbit as Rocket Production Ramps Up to 'Record Setting Pace'

A ULA Atlas V ‘551’ rocket lifts off with the latest Advanced Extremely High Frequency (AEHF-5) military communications satellite on 8 August 2019. Photo Credit: Alan Walters / AmericaSpace.com

Almost five months since it last flew, United Launch Alliance (ULA) successfully closed-out a gap in missions on Thursday, 8 August, when its Atlas V […]

ULA Primed for 80th Atlas V Launch with USAF 'AEHF-5' Satellite Thursday Morning

ULA’s workhorse Atlas V rocket stands poised for launch atop pad 41 at Cape Canaveral Air Force Station in Florida to deliver AEHF-5 into a customized geosynchronous transfer orbit for the U.S. Air Force at 5:44am EDT on 8 Thursday 2019. This satellite is a part of a network supporting protected communications to high-priority […]

Parker Solar Probe Makes Second Fiery Flyby of the Sun

Artist’s conception of the Parker Solar Probe making a close approach to the Sun. Image Credit: Steve Gribben/NASA/JH-APL

NASA’s Parker Solar Probe (PSP) made its second close approach of the Sun yesterday – the closest that any spacecraft has ever flown past any star.

PSP passed through the outermost layers of the Sun’s atmosphere, […]

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 […]

Atlas V 551 Heavylifter Back in Business for Long-Delayed AEHF-4 Launch for Air Force

United Launch Alliance (ULA) launches its 50th mission for the U.S. Air Force and the 250th flight of a Centaur booster in the opening minutes of Wednesday, 17 October. Photo Credit: Alan Walters/AmericaSpace

The most powerful member of United Launch Alliance’s (ULA) Atlas V fleet—the mighty “551” variant, previously used on eight occasions, […]

Rarely Used Heavyweight Atlas V Delivers Military AFSPC-11 Payload to High Orbit

Late day launch for ULA today, April 14, 2018, as Atlas V delivered the Air Force Space Command (AFSPC)-11 mission to orbit from Florida’s Space Coast. Photo Credit: John Studwell / AmericaSpace

Pummeling the ground with an estimated 2.5 million pounds (1.1 million kg) of thrust, the largest and most powerful member of […]