as well. Also civic air traffic is passing over the national park area. Oil, offshore wind power and sand The only operating offshore oil platform of Germany "Mittelplate A" is located adjacent to Trischen Island in the national park area. It exploits the most considerable oilfield of Germany since 1987 in up to 2000 – 3000 meter water depth. The obtained oil was originally transported by oil tankers to Brunsbüttel but since 2005 the oil is carried away by an underground pipeline. Besides the obvious disturbing factors for the environment, noise level and lighting are considerable disturbances for the breeding birds as well. The construction of further oil platforms is prohibited by national park law and the Trilateral Wadden Sea Cooperation (TWSC). It is assumed that further oil fields are located in the south of the operated field near the Elbe River and in the salt domes around Büsum and Oldenswort. It is unknown if it's possible to exploit the oil fields from stations outside the national park area but it's pretty unlikely that they can be tapped by the Mittelplate A. The operating concern of the "Mittelplate A" RWE Dea requested 5 additional exploratory drilling in the national park area. The responsible mining authority gave the permission but according to an inspection by the Landtag of Schleswig-Holstein it is illegitimate. The political discourse still goes on today. Wind energy in Schleswig-Holstein is only won by onshore wind parks, which are built in the coastal region bordering the national park. First economical important offshore wind farms are planned seawards outside the national park. The sea cable connection from the offshore wind farms to land might cause some disturbances while being built. While it is generally forbidden to extract resources for commercial use from the national park, an exception is being made for coastal defence purposes. 1.1 Million Cubic meters are extracted every year for example for beach replenishment at the west coast of Sylt, for renewing the Hallig islands or to restore dikes. Military Since the foundation of the Wadden Sea National Park the Bundeswehr gave up its military test area at Sylt. The military testing area in the southern part of Meldorf Bay is still active but it's not used for testing bombs and napalm anymore, like in the past. In the 1960s arm manufacturers tested munitions and projectiles while aiming at the Wadden Sea during 130 days a