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Vulcan XH558 maintenance update, April 2026

In April 2026, the Vulcan to the Sky Trust released new updates on its efforts to safeguard Vulcan XH558 for future generations as fundraising continues. In its monthly newsletter, the Trust said it ...
Aviation Week

Vulcan Launch Vehicle Joins U.S. National Security Space Launch Fleet

ULA designed the Vulcan with national security space missions like USSF-106 in mind. Credit: United Launch Alliance Faced with competition from SpaceX and a ban on buying Russian rocket engines, ...