NASA continued preparations for its planned third Moon landing mission, Apollo 13, then scheduled for launch on March 12, 1970.
NASA announced the selection of the Fra Mauro region of the Moon as the prime landing site for Apollo 13, favored by geologists because it forms an extensive geologic unit around Mare Imbrium, the largest lava plain on the Moon.
Apollo 11 astronauts Neil A. Armstrong, Michael Collins, and Edwin E. “Buzz” Aldrin had returned from their Giantstep Presidential goodwill tour on Nov. 5, 1969.
For the first time in nearly four weeks, on Dec. 10, Apollo 12 astronauts Charles “Pete” Conrad, Richard F. Gordon, and Alan L. Bean stepped out into sunshine and breathed unfiltered air.
On Dec. 10, 1969, NASA announced the selection of the Fra Mauro region of the Moon as the prime landing site for Apollo 13, located about 110 miles east of the Apollo 12 touchdown point.
During the first of the two spacewalks, Apollo 13 Moon walkers Lovell and Haise planned to deploy the five ALSEP experiments.
Apollo 13 astronauts Lovell, Haise, Young, and Duke participated in a geology training field trip between Dec. 17 and 20 on the Big Island of Hawaii.
Preparations for the fourth Moon landing mission, Apollo 14, continued as well.
December 18 – The sixth James Bond film, On Her Majesty’s Secret Service, held its world premiere in London, with George Lazenby as Agent 007.