The resignation marks another major change at the Pentagon, following a series of recent firings and departures.

Two key reasons led to Army Secretary Dan Driscoll's resignation, announced Monday: the feeling that his modernization initiatives were being blocked, and the chaos created by Defense Secretary Pete Hegseth's firing of senior generals.

The resignation of Daniel P. Driscoll, the secretary of the Army, had been expected but comes at a tumultuous time for the service.

Army Secretary Dan Driscoll submitted his resignation on Monday after months of feuding behind the scenes with Defense Secretary Pete Hegseth. He is expected to depart the Pentagon in the coming days,

In a two-for-one move, the US Army has announced that it has authorized the construction of up to 20 nuclear micro-reactors across military bases in the continental United States to provide reliable power and boost the country's nuclear industrial base.

The U.S. Army announced today the first key step in the development of the Common Autonomous Multi-Domain Launcher, awarding

The Army is training about 30 soldiers in every class in the 15X Military Occupational Specialty, or MOS, at a base in Arizona to be tactical unmanned aircraft system specialists.