https://en.wikipedia.org/wiki/Gemini_6A
Gemini 6A - Wikipedia
gemini 6awikipedia
https://www.space.com/39154-gemini-7-nasa-rendezvous-mission-photos/2.html
In Photos: Gemini 7 Makes 1st Crewed Rendezvous with Gemini 6A: Page 2 | Space
Dec 4, 2018 - In December 1965, NASA's Gemini 7 and Gemini 6A missions accomplished the first in-orbit rendezvous of two crewed spacecraft.