Early ALS signed “Donald K. Slayton, Maj. USAF,” one page both sides, 8 x 10, Project Mercury letterhead, August 10, 1961. Letter to Mr. Browne, in part: "Thank you for your letter and continued interest in our program. Things have progressed nicely recently and we anticipate comparable success in the future. The relatively greater success of our competitors are discouraging but not unexpected and have little effect on our program since unfortunately they furnish us no information of technical value. If a decision has been made regarding the firing of another Redstone prior to orbital flight, I am not aware of it. I suspect something will be forthcoming on this in the not too distant future. Yes, we were happy to receive the certificate of achievement from Gov. Almond. I will be more proud of it after having achieved a flight, which I hope is not too far off." In very good to fine condition, with staple holes to the upper left corner, and some light toning.
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