United Launch Alliance

The road to launch detoured back to the rocket factory for an upper-stage modification.

The performance of Viasat’s ViaSat-3 Americas satellite may be impacted by an unexpected event.

The U.S. Space Force will require two missions prior to using the booster for national security space missions for the ULA Vulcan Centaur launcher.

United Launch Alliance plans to modify the Centaur V upper stage of its new Vulcan rocket, likely delaying the booster’s debut flight to late this year.

A United Launch Alliance Delta IV Heavy launched a classified mission for the National Reconnaissance Office on June 22.

Our roundup of the main aerospace and defense stories making the news this week.

Ultimately, heritage hardware, not new technology, is the cause.

Ariane 6 delays and problems with Vega C leave European launch industry mostly grounded.

United Launch Alliance has completed a 6-sec. hot fire of the methane-burning BE-4 engines that power the first stage of its new Vulcan rocket.

United Launch Alliance and SpaceX will split the dozen launch contracts under the National Space Security Launch (NSS) Phase Two program.

ULA canceled the planned May 25 static hot fire of its first Vulcan-Centaur rocket to review an issue with the booster engine ignition system.

ULA returned its first Vulcan rocket to the launchpad on May 22 in preparation for a static test firing of the booster’s dual BE-4 main engines.

A hydrogen leak during qualification testing of a United Launch Alliance Vulcan rocket upper stage was not due to a problem with the test stand.

A ULA Vulcan-Centaur rocket was rolled out to its launchpad on May 11 for a final series of tests ahead of its debut launch, targeted for this summer.

Test and development of smaller Bantam engines has been underway for around a decade.

The first Dream Chaser, DC-101 Tenacity, is set to launch on the second flight of the Vulcan Centaur.

The space industry faces a “double bind” of insufficient launch capacity in the short term and oversupply in the long run, a McKinsey & Co. report says.

The company expected to gain access to the test article on April 14 to recover the dome of the Centaur V test article for analysis.

The U.S. Space Force plans to award a sole-source contract to Blue Origin for early integration studies for upcoming NSSL missions.

Amazon on March 14 unveiled a trio of customer terminals to support the network’s global broadband communications.

The Vulcan Centaur rocket was transported on rails from United Launch Alliance’s Vertical Integration Facility (VIF) to Space Launch Complex-41.

More analysis of a Blue Origin BE-4 qualification engine for ULA’s Vulcan rocket program is pushing the booster’s debut flight to no earlier than May 4.

The new procurement strategy is intended to boost competition.

The U.S. Space Force lays out a new approach for national-security space launches, using a “dual-lane” method to increase competition.

A pair of 6U science sats, originally slated to piggyback a ride to Mars with NASA’s Psyche asteroid probe, will instead launch aboard Blue Origin’s New Glenn.