CREW'S RESPONSES TO DANGERS DURING LAUNCH. Apollo 11 Launch Operations Checklist, page L / 2-4A – 2-4B, a single sheet printed recto and verso. NASA/MSC, June 26, 1969, revised July 5, 1969. 8 x 5½ inches. With a Typed Letter Signed by BUZZ ALDRIN. BUZZ ALDRIN'S provenance letter reads in part: "Accompanying this letter is a page numbered 2-4A and 2-4B from the CSM 107 (Apollo 11) Launch Operations Checklist, SKB32100080-306... This section in particular was extensively used by Neil Armstrong and Michael Collins who sat in the left and center seats during the Saturn V launch phase. Neil had the command responsibility to initiate an abort if the launch profile deviated from the planned events outlined in this checklist... "The launch profile was the most intense training we as a crew performed together. The simulator teams would give us all types of warning messages and problems to solve during a simulated launch. The simulator was an excellent learning device and this checklist was an important tool to insure our correct performance ... Side 2-4A has two tables listing the spacecraft guidance angles and our computer display for inertial velocity, altitude rate, and altitude during each 30 second interval of our Saturn V launch profile. Side 2-4B plots our altitude rate verses inertial velocity at potential abort periods." INSCRIBED and SIGNED by BUZZ ALDRIN: "Used in training for Apollo XI, Buzz Aldrin" on page 2-4A.
CREW'S RESPONSES TO DANGERS DURING LAUNCH. Apollo 11 Launch Operations Checklist, page L / 2-4A – 2-4B, a single sheet printed recto and verso. NASA/MSC, June 26, 1969, revised July 5, 1969. 8 x 5½ inches. With a Typed Letter Signed by BUZZ ALDRIN. BUZZ ALDRIN'S provenance letter reads in part: "Accompanying this letter is a page numbered 2-4A and 2-4B from the CSM 107 (Apollo 11) Launch Operations Checklist, SKB32100080-306... This section in particular was extensively used by Neil Armstrong and Michael Collins who sat in the left and center seats during the Saturn V launch phase. Neil had the command responsibility to initiate an abort if the launch profile deviated from the planned events outlined in this checklist... "The launch profile was the most intense training we as a crew performed together. The simulator teams would give us all types of warning messages and problems to solve during a simulated launch. The simulator was an excellent learning device and this checklist was an important tool to insure our correct performance ... Side 2-4A has two tables listing the spacecraft guidance angles and our computer display for inertial velocity, altitude rate, and altitude during each 30 second interval of our Saturn V launch profile. Side 2-4B plots our altitude rate verses inertial velocity at potential abort periods." INSCRIBED and SIGNED by BUZZ ALDRIN: "Used in training for Apollo XI, Buzz Aldrin" on page 2-4A.
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