Troisdorf station

Troisdorf (German pronunciation: [ˈtʁoːsdɔʁf] (listen)) is a city in the Rhein-Sieg-Kreis (district), in North Rhine-Westphalia, Germany.

The Agger is a river in Germany, a right tributary of the Sieg in North Rhine-Westphalia. It is 69.5 kilometres (43.2 mi) long. Its source is in the Sauerland hills, near Meinerzhagen. It winds through the towns Engelskirchen, Overath and Lohmar. Near Siegburg the Agger flows into the Sieg.

Siegburger Mühlengraben is a small canal of North Rhine-Westphalia, Germany. It branches off the Sieg, flows through Siegburg, and joins the Sieg again.

Spich station is a railway junction in the district of Spich of the town of Troisdorf in the German state of North Rhine-Westphalia, on the Sieg Railway. It is served by the S12 and S13. Both lines operate at 20-minute intervals, so together they provide a 10-minute interval S-Bahn service to Cologne. It is also served by the S19 service between Düren and Au (Sieg), running hourly and substituting for one of the S13 services. It is classified by Deutsche Bahn as a category 4 station.The Cologne–Frankfurt high-speed line also passes through Spich, but without stopping.

The European Astronaut Centre (EAC) (German: Europäisches Astronautenzentrum, French: Centre des astronautes européens), is an establishment of the European Space Agency and home of the European Astronaut Corps. It is near to Cologne, Germany, and is subdivided into six separate arms, these being Astronaut Training, Space Medicine, Astronaut Management, Human Exploration of the Moon as part of the Spaceship EAC initiative and Communications. It provides training facilities for European and international partner astronauts (including a neutral buoyancy pool), particularly regarding ESA hardware for the ISS such as Columbus and formerly the ATV. The overall European Astronaut Centre organisation is also in charge of the organisation of the training of European astronauts in the centers of other partners, such as the United States (NASA Johnson Space Center), Russia (Star City), Canada (Saint-Hubert) or Japan (Tsukuba). The Medical Operations arm (the Crew Medical Support Office) concentrates on providing health related support to the European astronauts and their families. Astronaut management supports and directs the careers and mission placements of the astronauts, and Education and PR are involved in activities related to education and outreach and the appropriate representation of the European astronauts and their space activities to the public.

The Hochschule Bonn-Rhein-Sieg University of Applied Sciences is a German university of applied sciences with more than 9,500 students and 150 professors. Its campus comprises three distinct locations, situated in Sankt Augustin, Rheinbach and Hennef / Sieg (all in the vicinity of Cologne and Bonn).

The European transonic wind tunnel (ETW) is a high-Reynolds-number transonic wind tunnel using nitrogen as test gas. It is one of the world's largest cryogenic wind tunnels. It is situated in Cologne, Germany. ETW was constructed and is operated by the four European countries France, Germany, Great Britain and The Netherlands. The ETW is in operation since 1994.ETW provides real-flight Reynolds numbers by virtue of both increased pressure and decreased temperature. Independent variation of Reynolds number and aero elastic loading can be done there. They specialize in Flight Reynolds number testing for full-span and semi-span models at cruise conditions and extreme borders of flight envelope.

The German Aerospace Center (German: Deutsches Zentrum für Luft- und Raumfahrt e.V., abbreviated DLR, literally German Center for Air- and Space-flight) is the national center for aerospace, energy and transportation research of Germany, founded in 1969. It is headquartered in Cologne with 35 locations throughout Germany. The DLR is engaged in a wide range of research and development projects in national and international partnerships.The DLR acts as the German space agency and is responsible for planning and implementing the German space programme on behalf of the German federal government. As a project management agency, DLR coordinates and answers the technical and organisational implementation of projects funded by a number of German federal ministries. As of 2020, the German Aerospace Center had a national budget of €1.348 billion.

The Steyler Bank GmbH is an ethical-ecological bank and a Christian finance of the Steyler Missionare. It was founded in 1964 in Sankt Augustin, where it still has its headquarters, and creates funds from an ethical point of view. The Steyler Bank also has a branch in Austria. The Steyler Bank is a private bank in the legal form of a limited liability company and has share capital of around €2.5 million. The passive business is primarily operated for private and institutional clients. The focus is on investment advice and asset management. As bank of the Steyler Missionsorden, it is also committed to the missionary mission, justice, peace, and the integrity of creation. It also offers foundation advisory services and currently manages 197 trustee foundations (as of 2013).

Sankt Augustin (Ripuarian: Sank Aujustin) is a town in the Rhein-Sieg district, in North Rhine-Westphalia, Germany. It is named after the patron saint of the Divine Word Missionaries, Saint Augustine of Hippo (354-430). The Missionaries established a monastery near the current town centre in 1913. The municipality of Sankt Augustin was established in 1969, and on September 6, 1977 Sankt Augustin acquired town privileges (German: Stadtrechte). Sankt Augustin is situated about eight km north-east of Bonn and three km south-west of Siegburg.

Auelsbach is a river of North Rhine-Westphalia, Germany. It flows into the Agger in Lohmar.

The Air Force Weapon Systems Command (GAFWSC; German: Waffensystemkommando der Luftwaffe, WaSysKdoLw) was a German Air Force command authority of the division level, with the responsibility for air force logistics, armament, and in-service support controlling of the GAF material and airborne vehicles.