Press 
Maneuvering an aircraft safely from A to B is a complex business involving a huge degree of collaboration between a range of industry partners, not only the pilot. One of the most vital cogs in these operations is the air traffic controller, a job that is perhaps not the most apparent to passengers, but instrumental in the running of every flight taking place throughout the world.
Source: Air traffic management and efficiency: A chat with NATS : Aviation: Benefits Beyond Borders
