Report of the PRESIDENTIAL COMMISSION
on the Space Shuttle Challenger Accident
Volume 5 Index
Hearings of the Presidential
Commission on the Space Shuttle Challenger Accident: February 26,
1986 to May 2, 1986.
MAY 2, 1986 SESSION. (part 1 of
 [Ref. 5/2-18]
Morton Thiokol Inc. Interoffice Memo From Manager, SRM Special
Projects to D.E Thompson. Subject: Rationale for Closure of the
O-Ring Erosion Problem.