First-principles study of the polar MgO(111)/Al(111) Interface: Adhesion, stability, and electronic structure

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Over almost 12 hours, the 98m-tall Space Launch System was carried vertically from the Vehicle Assembly Building on the 4-mile (6.5km) journey to the pad.

Montgomery stressed that the model is intentionally issuer‑agnostic and composable: if two developers share trust in different issuers, they can still find overlapping trust paths, and the more independent issuers exist, the stronger the overall system becomes.

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Fincke, 58, is a Pennsylvania native with a wife and three children. He joined NASA in 1996 and is now a veteran of four spaceflights: Expedition 9 in 2004, Expedition 18 in 2009, STS-134 in 2011, and most recently Expedition 74, for which he served as commander.

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