Recent leadership changes in the Army have kept the nomination contest fluid, with Dan Driscoll’s resignation amid reported friction with Defense Secretary Pete Hegseth opening the field. President Trump’s surprise appointment of Adam Telle as acting secretary bypassed the undersecretary and signaled preference for continuity in civil-works experience, while Hegseth allies have actively promoted Pentagon spokesperson Sean Parnell, an Army veteran, for the permanent role. Other contenders including Michael Obadal, Marc Andersen, and several administration officials remain in play. Senate confirmation dynamics, internal Pentagon preferences, and the need for a nominee who can navigate both White House priorities and legislative scrutiny have sustained closely matched probabilities across leading names, with any formal nomination or new endorsements likely to shift trader consensus.