On June 17, 1996, the U.S. Air Force released Air Force 2025 "a study designed to comply with a directive from the chief of staff of the Air Force to examine the concepts, capabilities, and technologies the United States will require to remain the dominant air and space force in the future." In the unclassified study, the College of Aerospace Doctrine, Research and Education at Maxwell Air Force Base in Alabama posed several "fictional representations of future situations or scenarios" likely to arise. In Chapter 5, page 55, the authors present a time line figure representing "plausible history". In 2009, according to the report, influenza will kill 30 million people. Footnote 18 suggests that no one determined if the virus was a natural mutation or bioengineered. Alternate Futures for 2025: Security Planning to Avoid Surprise http://web.archive.org/web/20070802020816/http://csat.au.af.mil/2025/a_f.pdf