A policy memo to president Trump. The duty is duty is not to advise the President on immediate foreign-policy crises, but rather to recommend medium- and long-term policies at the intersection of science, strategy, and security. The high-technology military of the future will be very expensive, and some programs must have priority over others. The high-tech programs of the future may also be highly effective—but could be extremely destabilizing as well. 8-10 pages double spaced.