United States Space Force Long-Term Science and Technology Challenges Published Nov. 1, 2021 By Secretary of the Air Force Public Affairs WASHINGTON (AFNS) -- The purpose of this memo is to identify Science and Technology challenges the United States Space Force must overcome in the next 10 to 35 years in order to continue deterring and defeating aggression in protection of U.S. national interests in space. Space Force News Photo Details / Download Hi-Res Space Force News