A change in leadership has occurred with the appointment of Adam Telle as acting Army secretary. This move follows the departure of Dan Driscoll. Tensions with Defense Secretary Pete Hegseth have been widely reported, and these tensions are said to have involved Driscoll.

Further details about the circumstances surrounding Driscoll's departure are available from the source. The appointment of Adam Telle as acting Army secretary has been made by Trump.

More information about this development can be found through the source, which provides additional context about the change in leadership and the reported tensions involving Driscoll and Defense Secretary Pete Hegseth.