Why Does ‘First Man’ Say Gemini as ‘Geminee’? NASA Explains. Sorta.

By JOHN SCHWARTZ from NYT Movies https://www.nytimes.com/2018/10/17/movies/first-man-gemini-nasa.html?partner=IFTTT
The pronunciation of the 1965-66 program is a space agency thing. Sometimes it was pronounced normally. NASA’s chief historian gives the back story.