Preliminary Gemini 4 Crew Debriefing, Part I, 1965
NASA-UAP-D016 · page 280 of 340
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272 White McDivitt want to p,mch it off ahead and have t he retro rockets go off early, but I figured that it· wasn't in a hurry that much. But if it c8Jlle on much earlier than that, i t was really going to make us short. So, I finally decided that we'd go ahead and ann the Auto-retro Button at about three seconds so that we weren' t going to be any more than 15 or 20 miles short as a result of the retrorockets going off early. We'd still get the auto- retrofire, signal through, so that if something went ·,:rong with the manual retrofire signal we'd still get the retrorockets fired . I felt that three seconds early would be better than a possible 15 or 20 second one in case we had to go through some non-nominal method of firing the retros in case the manual button didn't make it work. I told Ed to arm the auto-retrofire, a.nd he did this at about three seconds and i t fired automati cally at between two and one seconds, I think, in the count. Yes. I felt that we got a one-plus second early eo·~Ft0E~TIA1