Tensions with Trump officials have led to the resignation of the Army secretary. The reason for the resignation is tied to these tensions, although specific details are not provided here. Further information about the circumstances surrounding the resignation can be found in the source publication.

The Army secretary's decision to step down is the result of disagreements with officials in the Trump administration. The source publication provides more context about the resignation, but the basic fact is that the Army secretary is no longer in the position due to tensions with the administration.