1974
January 14–16
The Lunar Geology Conference, held in Houston, is attended by 132 international participants from NASA Headquarters and other NASA centers; other government agencies (both U.S. and foreign); and universities.
February
The first issue of the Lunar Science Information Bulletin is published.
March
The Science Council for the Lunar Science Institute is formed.
March 29
Mariner 10 is the first spacecraft to fly by Mercury.
March 18–22
The Fifth Lunar Science Conference is held, with 565 in attendance. The conference is dedicated to the late Dr. Paul W. Gast, who contributed so greatly to the lunar program.
June
Robert O. Pepin is appointed LSI Director.
September 9–10
The initial meeting of the Lunar Photographic and Cartographic Committee is chaired by James Head.