. . . . . . . . . . . . . . "NASA's response to the committee's investigation of the \"Challenger\" accident hearing before the Committee on Science, Space, and Technology, U.S. House of Representatives, One hundredth Congress, first session, February 26, 1987"@en . . . "NASA's response to the committee's investigation of the \"Challenger\" accident : hearing before the Committee on Science, Space, and Technology, U.S. House of Representatives, One hundredth Congress, first session, February 26, 1987"@en . . . . . .