President Donald J. Trump named Robert Salesses as acting secretary of defense pending the confirmation of Pete Hegseth for the position.

President Donald J. Trump said during his inaugural address as 47th president that he has "no higher responsibility than to defend our country from threats and invasions, and that is exactly what I am going to do."

About 7,800 National Guard troops are on duty during the 60th Presidential Inauguration, continuing of a legacy that began in 1789 when their predecessors escorted George Washington to the first inauguration.

The American military has an asymmetrical advantage over any possible adversary with its special operations community, and the processes are in place to keep that advantage going well into the future.

Chairman of the Joint Chiefs of Staff Air Force Gen. CQ Brown, Jr., hosted an Armed Forces Farewell Tribute honoring Secretary of Defense Lloyd J. Austin III at Joint Base Myer-Henderson Hall, Va.

The Defense Department's chief talent management officer underscored the urgent need to attract members of Generation Z to civilian defense careers during a panel discussion.

The secretary of defense and the chairman of the Joint Chiefs of Staff bid farewell to President Joe Biden, who has served as commander in chief of the U.S. military for four years.