Valkenburg Naval Air Base

Valkenburg Naval Air Base (Dutch: Vliegkamp Valkenburg) is a former air base located just south of Valkenburg, which is part of Katwijk and close to the city of Leiden, that was used by the Royal Netherlands Navy up until 2006, being their base for the Lockheed P-3 Orion aircraft. The Orions were sold to Germany and Portugal, resulting in the closure of the air base. Though officially closed as an airport, it still sees limited use for special events and by gliders and occasionally small piston aircraft, most of which from local flying club Aeroclub Valkenburg. Current plans however are to use the area for housing development, but part of the former air base may remain in use for glider flying.

History
Construction of the air base was commenced in 1939, but not completed before the start of the Second World War. After Germany occupied the Netherlands, the German military completed construction of the air base for their own use, naming it Fliegerhorst Katwijk. It was used by the German Luftwaffe until 1943, when it was rendered unusable by the Germans themselves.

After the war it briefly served as a home for the Royal Netherlands Air Force air transport wing, but in 1947 the Navy received control of the air base. After Ypenburg Airport was closed in 1992, many VIP flights for the government and the Royal Family moved to Valkenburg.