Secret US military space mission aboard Vulcan Rocket sparks strange light sightings across US skies

The US Space Force’s Space Systems Command partnered with United Launch Alliance (ULA) for the inaugural National Security Space Launch mission using a Vulcan VC4S (Vulcan with Centaur upper stage and four solid rocket motors) rocket on Aug. 12 at 8:56 p.m. EDT from Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida.

Spacecraft separation, signaling mission success, occurred approximately seven hours after liftoff into geosynchronous Earth orbit.

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“It’s an exciting day for us as we launched the first NSSL flight of Vulcan, an outstanding achievement for United Launch Alliance and the nation’s strategic space lift capability. This is an important milestone for the Space Force and all involved,” said Col. Jim Horne, USSF-106 mission director, , as stated in the US Space Force press release released by the Space Systems Command.

The USSF is leveraging the newly certified Vulcan Centaur rocket to deliver demonstrations and experiments to geosynchronous orbit on behalf of Department of Defense customers. The mission’s primary experiment, Navigation Technology Satellite-3, is an Air Force Vanguard project led by the Air Force Research Laboratory and built by L3Harris Technologies. The payload includes a secondary adapter demonstrating resilient satellite navigation through reprogrammable signals, an electronically steerable antenna, and advanced timekeeping algorithms.

Strange light displays reported across Eastern and Midwestern US

Shortly after the Vulcan rocket’s launch, residents from New York to the Midwest reported seeing strange light formations in the night sky. The bright, cloud-like spirals and shimmering shapes led some to speculate about unidentified flying objects before officials confirmed the source as the classified USSF-106 mission.

"Rocket launch? During my search for meteor showers on the Island’s North Shore, this appeared, and it crossed the Long Island Sound. It lasted several minutes. When I noticed it, I believed it was a rocket that was launched from Florida, but I did not know for sure. I found out later that it was a rocket," said Don Manchester of Long Island.

The timing coincided with the Perseid meteor showers, amplifying the visual spectacle for many viewers.

National security significance of Vulcan program

United Launch Alliance President and CEO Tory Bruno described Vulcan as “a catalyst to supporting national defense in the strategic warfighting domain of space.” He added, “Vulcan is the world’s most capable, high energy orbit rocket meeting the demand for expanding space competencies. Vulcan provides flexibility to our nation’s decision makers as we combat our adversaries attempts to disrupt the US in space operations. This launch begins a new era in national space security.”

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The rocket traveled approximately 22,000 miles during its mission.

Assured Access to Space, a Space Force function, secures reliable launch services to deploy space-based capabilities for US warfighters, intelligence professionals, and allies. Space Systems Command manages a $15.6 billion annual space acquisition budget, working with joint forces, industry partners, and allied nations to protect America’s strategic advantage in space.