Grand Challenges were USA policy terms set as goals in the late 1980s for funding high-performance computing and communications research in part in response to the Japanese 5th Generation (or Next Generation) 10-year project.
"A grand challenge is a fundamental problem in science or engineering, with broad applications, whose solution would be enabled by the application of high performance computing resources that could become available in the near future. Examples of grand challenges are:
"A Research and Development Strategy for High Performance Computing", Executive Office of the President, Office of Science and Technology Policy, November 20, 1987
A list of one liners reads:
Executive Office of the President, Office of Science and Technology Policy, "The Federal High Performance Computing Program," Sept. 1989, pp. 49–50: Appendix A Summary
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