NSC 5520

Lay, James. S., Jr. NSC 5520. “U.S. Scientific Satellite Program.” Dwight D. Eisenhower Presidential Library and Museum. 20 May 1955. Marshall Institute: National Security Space Project

Lay, James. S., Jr. “Memorandum: Implications of the Soviet Earth Satellite for U.S. Security.” Dwight D. Eisenhower Presidential Library and Museum. 11 Oct. 1957. NSC 5520 Marshall Institute: National Security Space Project

Hagerty, James C., Press Secretary to the President. “Summary of Important Facts in the Development by the of an Earth Satellite.” Dwight D. Eisenhower Presidential Library and Museum. 9 Oct. 1957. NSC 5520 Marshall Institute: National Security Space Project

Lay, James. S., Jr. “Note by the Executive Secretary to the National Security Council on U.S. Scientific Satellite Program.” Dwight D. Eisenhower Presidential Library and Museum. 20 May 1955. NSC 5520

National Security Council Planning Board. NSC 5520. “U.S. Scientific Satellite Program Table of Contents.” Dwight D. Eisenhower Presidential Library and Museum. 20 May 1955. Marshall Institute: National Security Space Project

National Security Council Planning Board. NSC 5520. “Draft Statement of Policy on U.S. Scientific Satellite Program General Considerations.” Dwight D. Eisenhower Presidential Library and Museum. 20 May 1955. NSC 5520 Marshall Institute: National Security Space Project NSC 5520 Marshall Institute: National Security Space Project NSC 5520 Marshall Institute: National Security Space Project

National Security Council Planning Board. NSC 5520. “Financial Appendix.” Dwight D. Eisenhower Presidential Library and Museum. 20 May 1955. NSC 5520

National Security Council Planning Board. NSC 5520. “Annex A- Technical Annex.” Dwight D. Eisenhower Presidential Library and Museum. 20 May 1955. Marshall Institute: National Security Space Project NSC 5520 Marshall Institute: National Security Space Project

National Security Council Planning Board. NSC 5520. “Annex B- Views of Nelson A. Rockerfeller, Special Assistant to the President, on the subject, dated , 1955.” Dwight D. Eisenhower Presidential Library and Museum. 20 May 1955. NSC 5520 Marshall Institute: National Security Space Project