Defense Secretary Pete Hegseth invited service members and civilians to still attend celebrations in their "unofficial capacity outside of duty hours."

Tulsi Gabbard, whom Trump has proffered for director of the office of national intelligence, was a staunch defender of one of the world’s most hated dictators. In 2019, she said Syria’s Bashar al-Assad “was not the enemy of the United States.”

The moments before and after a crash between an American Airlines passenger jet and a military helicopter are detailed in air traffic control audio.

U.S. Defense Secretary Pete Hegseth and NATO Secretary-General Mark Rutte discussed the alliance in a call on Wednesday, including "building a stronger, more lethal NATO Alliance" and raising allied defense spending,

An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside Reagan National Airport near Washington, D.C. Wednesday night. A D.C. fire official said Thursday that “we don't think there are any survivors from this accident" and "we are switching from a rescue operation to a recovery operation.

The new administration will focus on reforming acquisition, revamping industry, and expediting delivery of capabilities.

A United States Army UH-60 Blackhawk helicopter crashed at approximately 9 p.m. while performing a training mission near Ronald Reagan

The portraits of former Defense Secretary Mark Esper and retired Army Gen. Mark Milley, former chairman of the Joint Chiefs of Staff, were removed from the Pentagon after Defense Secretary Pete Hegseth revoked Milley’s personal security detail and security clearance.

Defense Secretary Pete Hegseth is pulling the security protections and clearance of retired Joint Chiefs chairman Gen. Mark Milley

A airplane and military helicopter collided in Washington, D.C., before plunging into the Potomac River. Here's who was on board, flight path and more.

The crash highlighted issues around the congested airspace shared by civilian and military aircraft over the U.S. capital.

U.S. President Donald Trump has issued an executive order to pursue a "next-generation" missile defense shield against threats of potential advanced foreign aerial attacks in a major security effort that also seeks to enhance defense of allied territories,