The second in NASA’s series of Lunar Orbiter satellites lifts off from Earth on a course for the moon. Lunar Orbiter 2 spends a full week examining the surface of the moon from orbit, sending back high-resolution TV images for mapping purposes, and to help NASA scientists and engineers select suitable landing sites for the upcoming Apollo program. Lunar Orbiter 2’s orbital path allows it to image a particularly promising plain in the Sea of Tranquility…

The ninth episode of the time travel sitcom It’s About Time, created by Sherwood Schwarz (I Dream Of Jeannie) and starring Frank Aletter, Jack Mullaney, and Imogene Coca, is broadcast on CBS.
The 66th episode of Irwin Allen’s adventure series Voyage To The Bottom Of The Sea airs on ABC, starring Richard Basehart and David Hedison. Hugh Marlowe guest stars.
The 38th episode of Irwin Allen’s science fiction series Lost In Space premieres on CBS, starring Guy Williams, June Lockhart, and Jonathan Harris. Malachi Throne (Star Trek, Batman) and Ted Cassidy (The Addams Family) guest star.
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BBC2 airs the 17th episode of science fiction anthology series Out Of The Unknown. Written by Hugh Leonard, the story stars Nigel Stock and Caroline Blakiston (Return Of The Jedi). This episode no longer exists in the BBC’s archives.
The ninth episode of Irwin Allen’s science fiction series The Time Tunnel airs on ABC, starring James Darren and Robert Colbert. Marcel Hillaire, Whit Bissell, and Lee Meriwether geust star.
The final mission of NASA’s Gemini program, Gemini 12 lifts off with Jim Lovell and “Buzz” Aldrin aboard. Over their three-day flight, the last two-man American astronaut crew until the early Space Shuttle flights finally demonstrates improved spacewalk techniques, with handholds having been added to the Gemini capsule’s exterior, and pre-launch training conducted underwater in weighted spacesuits. Aldrin performs a two-hour spacewalk without overexerting himself, a first for the American space program. Gemini 12 splashes down, having accomplished all of the Gemini program goals mere weeks ahead of the first launch window for Apollo 1.
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NASA launches Aplications Technology Satellite-1, the first of a new series of experimental satellites with a goal of combining the functions of existing weather and communication satellites, with other technology demonstrations added on. ATS-1 transmits the first-ever view of the entire face of Earth visible from geosynchronous orbit, as well as testing some of the first satellite navigation technology. ATS-1’s position in orbit also proves ideal for the North-America-to-Australia link during 1967’s global Our World broadcast. ATS-1 remains in serice for almost exactly 12 years.