TLS signed “Eug. A. Cernan,” one page, 8 x 10.5, NASA letterhead, June 20, 1966. Letter to Mr. and Mrs. Milton Donner, in part: "Many thanks for your kind congratulatory message on the success of our GT-9 mission. I am very thankful and grateful that I could be a part of this important flight." In fine condition. Accompanied by the original mailing envelope. Cernan made his first spaceflight as the pilot of Gemini 9, which lasted from June 3-6, 1966.
Terms and abbreviations used in our descriptions.