Deutsche Lufthansa AG operates as an aviation company in Germany and internationally. It operates through Network Airlines, Point-to-Point Airlines, Logistics, MRO, Catering segments. The Network Airlines segment offers passenger services through a route network of 263 destinations in 86 countries. The Point-to-Point Airlines segment provides passenger services through a route network of 192 destinations in 62 countries. The Logistics segment offers a range of cargo transport services for various cargos, including live animals, valuable cargo, mail, dangerous goods, and temperature-sensitive cargo. This segment serves approximately 300 destinations in approximately 100 countries. The MRO segment provides maintenance, repair, and overhaul services for civilian commercial aircraft. It serves airlines and aircraft leasing companies, operators of VIP jets, and public-sector clients. The Catering segment offers catering, in-flight sales and in-flight entertainment, in-flight service equipment, and the associated logistics, as well as consulting services and operating airport lounges. The company also provides consulting and IT services for the aviation industry; training courses in simulator training, emergency and service drill, and e-learning; business travel management solutions in the area of payment and analysis of corporate travel; and aviation and transport insurance products, as well as insurance brokerage, reinsurance, and risk management services. As of December 31, 2017, it had a fleet of 728 aircraft. Deutsche Lufthansa AG is headquartered in Cologne, Germany.