Lyndon Johnson: “Prevention of the spread of atomic weapons is one of the most important tasks of our times.”

In that pursuit, Mr. President, United States support will be gladly given.

In Witness Whereof, I have hereunto set my hand this twentieth day of January in the year of our Lord nineteen hundred and sixty-nine and of the Independence of the United States of America the one hundred and ninety-third.

Now, Therefore, I, Lyndon B. Johnson, President of the United States, under the authority vested in me by section 2 of the act of June 8, 1906, supra, do proclaim that, subject to valid existing rights, the lands owned or controlled by the…

This program, sponsored by the World Meteorological Organization, constitutes one of the largest and most complex scientific and technological undertakings ever attempted as an international effort.