aircraft take-off

There is a viewing area provided for the public to watch aircraft take-off and land.

The termination of an aircraft take-off attempt.

When did this aircraft take-off?

By 1939, von Kármán's Guggenheim Aeronautical Laboratory at Caltech had received Army Air Corps funding to develop rockets to assist in aircraft take-off.

In 1939 researchers at the California Institute of Technology seeking to develop a high performance solid rocket motor to assist aircraft take-off, combined black powder with common road asphalt to produce the first true composite motor.