[NASA LETTERS AND PAPERS -- WALLY SCHIRRA]. Four letters addressed to Schirra, including an August 1959 NASA letter stating that Schirra was "competent to serve as pilot of aircraft owned by and/or loaned to" NASA and countersigned by Schirra and a letter from Vice-President Humphrey about the Gemini 6 and 7 rendezvous -- 6 memos on Schirra's Mercury, Gemini, and Apollo space flights -- 4 letters and memos on the investigation of the Lunar Landing Training Vehicle crash by Neil Armstrong. (14)