CapCom

Roger, Columbia. You're sounding much better now.

CapCom

Columbia, Houston. Request P00 in ACCEPT, and we'll uplink another state vector. Over.

Michael Collins (CMP)

Roger. Going P00 in ACCEPT.

CapCom

Columbia, Houston. Suggest you put BATT A on your BATT relay bus. Over.

CapCom

Columbia, Houston. We're through with your computer. You can go to BLOCK.

CapCom

Tranquility Base, Houston. Over.

Buzz Aldrin (LMP)

Go ahead, Houston. Tranquility Base.

CapCom

Tranquility Base, Houston. We've reviewed the checklist, and about the only change in order to advance the EVA that we've found is that you'll want to delay your lithium hydroxide change until after the EVA rather than before. Over.

Buzz Aldrin (LMP)

Roger. We'd just as soon make a change and jettison the old one. Over.

CapCom

Tranquility Base, Houston. We would like to delay that LOIO—LiOH change until after the EVA. There is a possibility you could jettison the canister when you jettison your PLSS. Over.

Buzz Aldrin (LMP)

All right. We'll plan it that way. Over.

CapCom

Roger, Tranquility.

CapCom

Columbia, Houston. Over.

CapCom

Columbia, Houston. We show your EVAP OUT temperature running low. Request you go to manual temperature control and bring it up. You can check the procedures in ECS MAL 17. Over.

CapCom

Columbia, Houston. I have a P22 update for you.

CapCom

Columbia, Houston. Your P22 AUTO—AUTO optics landmark ID on LM. T1, 106 plus 30 plus 31; T2, 106 plus 35 plus 41, 2 nautical miles south. Your TCA, 106 plus 37 plus 16. Shaft angle 357.9 and trunnion angle 44.3. Over.

CapCom

Columbia, Houston. We have your LOS in 3 minutes. AOS will be 106 plus 11. Over.

Buzz Aldrin (LMP)

Houston, Tranquility. Over.

CapCom

Tranquility, Houston. Go ahead.

Buzz Aldrin (LMP)

Roger. This is the LM pilot. I'd like to take this opportunity to ask every person listening in, whoever and wherever they may be, to pause for a moment and contemplate the events of the past few hours and to give thanks in his or her own way. Over.

CapCom

Roger, Tranquility Base.

Neil Armstrong (CDR)

As a matter of fact, it just doesn't look like it sunk in at all.

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Spoken on July 20, 1969, 11:07 p.m. UTC (50 years, 1 month ago). Link to this transcript range is: Tweet

CapCom

Tranquility Base, Houston. We'd like some estimate of how far along you are with your eating and when you may be ready to start you EVA PREP. Over.

Neil Armstrong (CDR)

I think that we'll be ready to start EVA PREP in about a half an hour or so.

CapCom

Roger, Tranquility.

Michael Collins (CMP)

Houston, Columbia. How do you read?

CapCom

Columbia, Columbia. This is Houston.

Neil Armstrong (CDR)

Houston, this is Tranquility Base. We are beginning our EVA PREP.

CapCom

Tranquility Base, this is Houston, Roger. Copy. You're beginning EVA PREP. Break. Break. Columbia, Columbia, this is Houston. Reading you loud and clear. Over.

Michael Collins (CMP)

You're loud and clear. The waste water dump is down to 10 percent. I have a question on the P22. Do you want me to do another P22, or is all that information just for my own use in tracking the LM for photographic purposes?

CapCom

Columbia, this is Houston. We request that you perform another P22. We'd like you to let the AUTO optics take care of the tracking and devote your energies to trying to pick out the LM on the lunar surface. If you can find the LM, of course. We're looking for marks on it; but tracking of geographical features doesn't do us all that much good. Over.

Michael Collins (CMP)

Okay. Fine. I'll do it. And on the ECS system, the—Whatever the problem was, it seems to have gone away without any changing of J52 sensors or anything like that. My glycol evaporator outlet TEMP is up above 50 now, and it's quite comfortable in the cockpit; so we'll talk more about that one later.

CapCom

Roger, Columbia. Did you shift into manual control, or did the problem resolve itself under AUTO control? Over.

Michael Collins (CMP)

The problem went away under AUTO.

CapCom

Roger. That's the best type. Out.

Michael Collins (CMP)

I did cycle out of AUTO into—I did cycle out of AUTO into MANUAL, back into AUTO.

CapCom

Houston. Roger. Out.

CapCom

Tranquility Base, Tranquility Base, this is Houston. Over.

CapCom

Tranquility, this is Houston. We need a second set of PRD readings so that we may establish a rate. Over.