Four items pertaining to the Apollo 1 disaster, including a letter and three condolence cards. The letter is from William A. Drewes of the Astronaut Office in Houston, April 27, 1967, in part: “Mr. Slayton appreciates your extending condolences upon the deaths of Astronauts Grissom, White, and Chaffee. They were truly valiant men and we are most grateful for your thoughtful and kind words.” Includes cards from the families of each deceased astronaut acknowledging the condolences they received; the card from the Chaffee family is signed by his wife, Martha. In overall fine condition, with tears to filing holes on the letter.