Chesley Bonestell, “The Exploration of Mars” (1953), oil on board, 143/8 x 28 inches, gift of William Estler, Smithsonian National Air and Space Museum. Reproduced courtesy of Bonestell LLC.

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Defense and National Security

Scientific and technological advancements are vital to effective national security. Emerging technologies and evolving geopolitics mean there are always new problems to solve and new issues to analyze. The articles on this page explore how science and technology influence national defense, and offer policy proposals that can make the United States more secure.