Where Do We Find This Stuff? Here Are Our Sources:

United Nations

National Aeronautics and Space Administration (NASA)

National Oceanic and Atmospheric Administration (NOAA)

Defense Advanced Research Projects Agency (DARPA)

European Space Agency (ESA)

Japan Aerospace Exploration Agency (JAXA)

British Interplanetary Society (BIS)

British Aerospace Systems (BAE)

United States Air Force (USAF)

United States Space Force (USSF)

Russian Aviation and Space Agency (RKA)

Massachusetts Institute of Technology (MIT)

Harvard University

Stanford University

Cornell University

Lockheed Martin (LM)

The Boeing Company

SpaceX

General Motors (GM)

Chrysler

Northrop Grumman

Aerojet

Rockwell International

TransAstronautics Corporation

Rolls-Royce

Smithsonian Institute

American Nuclear Society (ANS)