I. The U.S. air
transit system has many problems.
A. Airplanes
are crowded.
B. The bigger
airports are too busy.
C. There are huge
traffic jams.
D. No new technology
is ready to solve the problems.
II. Daniel Goldin, NASA
head, is calling for a revolution.
A. Under 500
miles, the travel time averages 80 miles per
hour.
B. This is from the
doorstep to destination.
C. Goldin says that
airplanes should be faster and cheaper.
D. Also, flights need
to be safer.
III. NASA is working on
the problem.
A. A possible
solution is the F-15.
B. It has built-in
intelligence that corrects errors.
C. One new airplane
can travel eight times the speed of sound.
D. The wings can
change shape.
E. There will be jet
engines without moving parts.
F. Instruments will
let pilots fly a highway in the sky.
IV. Dallas-Ft. Worth
airport has important changes.
A. Pilots don't
need as much room to land.
B. Air traffic is
increased due to final approach spacing.
C. It is like adding
another runway to the airport.
V. NASA is designing new
airplanes.
A. Some new
planes won't need runways.
B. The planes won't
be as loud.
C. There will be
fewer emissions.
D. Some of the
designs will fail but others will succeed.
E. Planes will fly
faster, safer, and quieter in the 21st
century.
VI. Boeing has a new
airplane.
A. It is a
tail-less cargo plane that lands at 45 miles per
hour.
B. It needs far less
room to land than regular cargo planes.
C. Removing the tail
of the plane cuts down on drag.
D. Also, it lowers
the cost of the airplane.
NASA's
Chief Calls for Bold Vision in Aviation