This memo is to inform you of a simplification in RTCC program requirements I recently approved. As noted below, the capability we are providing appears to be adequate and the cost of the optimization is incompatible with the benefit to be gained. The rest of this memo is lifted almost verbatim from one Bob Ernull…
Year: 1968
Sextant Rendezvous Navigation Review
As noted in the attached memorandum, I would like to request your active participation in a meeting on April 25 to review for “C” mission operational personnel the work your people have done on CSM sextant rendezvous navigation. I think, in order in insure proper use of the CSM G&N during the spacecraft 101 flight,…
“Any time” LM lift off is an unnecessary constraint
No big deal, but I’d just like to point out that I don’t agree with something in the memorandum to TA/Director of Science and Applications, dated March 19, 1968, subject: Operational constraints for the fourth lunar landing mission, which you signed. It stated in part, “It is the opinion of the Flight Operations Directorate that…
List of “D/E” Rendezvous open items
On April 8, we had our first weekly “D/E” Rendezvous Mission Techniques meeting. We spent the whole time going through the main flow charts. This memorandum is not really minutes of the meeting, but rather a list of questions and action items. We are assuming that both the “D” and “E” missions will utilize the…
Results of the Apollo Spacecraft Software Configuration Control Board meeting of April 9
This memorandum briefly summarizes the results of the subject meeting. For detail, I would suggest you contact the ?????????????????????? specific program change request you are interested in. You will note that PCR activity doesn’t seem to be slacking off any….
“C” Rendezvous Mission Techniques Review
Attached is a preliminary version of the “C” Rendezvous Mission Techniques document. It is based on numerous meetings of a MSC working group involving Flight Controller Directorate, Flight Crew Directorate, and Engineering and Development Directorate people and their contractors. Although there are still known flaws and more open items, we have reached a point where…
Status evaluation meeting – “C” Mission Rendezvous
As most of you are probably aware, we have a special “C” Mission Rendezvous meeting scheduled for April 22, starting at 9:00am in room 966 of Building 2. This memorandum is to define its purpose as I understand it. It is also to inform you that another somewhat related meeting which had been scheduled or…
April 9 Lunar Reentry Mission Techniques meeting
Almost the entire April 9 Lunar Reentry Mission Techniques meeting was spent in discussion of the second and third midcourse correction maneuvers made on the way back from the moon. Ron Berry presented some really interesting data which I think gives us an insight into the character of these maneuvers needed to assure the techniques…
Rendezvous maneuver targeting for guidance system backup
During the “D/E” Rendezvous Mission Techniques meeting of April 15, we spent a lot of time discussing the data transmitted from the ground to the spacecraft involving the CSI and CDH maneuvers. This discussion, of course, centered on how the data should be used and led to a tentative conclusion regarding the backup of these…
Descent Orbit Insertion (DOI) monitoring and abort procedures are proposed
Something rather interesting came out of Floyd Bennett’s April ?? Descent Mission Techniques meeting that I would like to pass around. It has to do with monitoring the DOI maneuver….