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96 CHAPTER 5 Controversy, 1975–1991<br />
AIRCRAFT<br />
During the period 1975–1991, NASA research aircraft appeared with a variety of<br />
insignia and, for the first time, an increased number of logos that identified partners<br />
and sponsors for research projects. Many of the paint schemes were chosen to<br />
enhance the visibility of the vehicle as well as airflow over and around its surfaces.<br />
FIGURE 5-8.<br />
The NASA F-18 High Alpha Research Vehicle (HARV)<br />
had a special black finish to enhance visual analysis of<br />
flow characteristics over the airplane at high angles of<br />
attack. The NASA logotype insignia and the aircraft’s<br />
NASA identification number were therefore painted in a<br />
nonstandard white color. (NASA EC92-10231-2)<br />
FIGURE 5-9.<br />
The NASA logotype insignia was displayed on the vertical<br />
tail of the X-29 research aircraft in 1990. The vehicle<br />
also displayed the names of NASA’s partners including<br />
Grumman, the Defense Advanced Research Projects<br />
Agency (DARPA), and the U.S. Air Force.<br />
(NASA EC92-10231-2)