The signatures of astronauts John Young and Virgil I. "Gus" Grissom, crew of the first manned Gemini mission, which circled the earth 3 time on March 23, 1965, on the cover of a technical report: Bobbie D. Weber and Frank Suler, "MSC Internal Note No. 65-FM-23: Project Gemini Preflight Orbital and Reentry Data for the First Manned Gemini Flight GT-3" (Houston: NASA, March 3, 1965) 4to, original photocopy, stapled; signed also by the two authors on the half-title page. Together with an original issue of the NY Times, Dec. 16, 1965, documenting rendezvous of Gemini 6 and 7 capsules in orbit

Front cover with light toning and a light stain; back cover with similar toning