National Airport, officially known as Ronald Reagan Washington National Airport (DCA), is located in Arlington, Virginia, just across the Potomac River from downtown Washington, D.C.. It primarily serves domestic flights and is a hub for several major airlines. The airport is named after Ronald Reagan, the 40th President of the United States, and is known for its proximity to the nation's capital. Opened in 1941, National Airport features three terminals and offers various amenities, including shops and restaurants. It is well-connected to the city through public transportation options like the Washington Metro, making it convenient for travelers visiting the capital.