After two years of sorbent testwork, Vulcan’s internally developed VULSORB™ selected for Phase One commercial development as most optimal sorbent choice for lithium extraction, onshoring IP and supply chain in Europe.

Source: https://seekingalpha.com/article/4607817-lithium-junior-miners-news-for-the-month-of-may-2023?source=feed_all_articles

The Vulcan’s core stage is powered by two BE-4 engines built by Jeff Bezos’ Blue Origin, a company also known for its short tourism rides to the edge of space and which is for future crew and cargo missions to the moon.

Source: https://www.digitaltrends.com/space/ula-aiming-to-debut-new-vulcan-rocket-on-christmas-eve/

ULA planned to use the BE-4 that experienced the testing issue as one of the two main engines on the Vulcan’s second flight.

Source: https://mybroadband.co.za/news/science/499839-new-blue-origin-rocket-caught-fire-during-testing.html