An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.
A significant issue may have stemmed from the military Blackhawk helicopter involved in the collision - the lack of the Traffic Collision Avoidance System (TCAS) in military helicopters.
Washington, D.C. - The U.S. Army Corps of Engineers (USACE) is highlighting it 250 years of service to the nation by celebrating its birthday ...
Capt. Ricky Kuhn relinquished command of the North Dakota National Guard’s 817th Engineer Company to his older brother, Capt.
L3Harris' upgraded T7 robot disrupts enemy signals, neutralizes drones, and supports EW missions, enhancing battlefield protection.